It's about as heavy as a Reindeer.
It's about one-and-one-tenth times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.910 times 166,000 grams.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 150,000 grams. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 6,400 grams of it per day to compensate for the limited energy the plant provides.
It's about four-fifths as heavy as The Heart of a Blue Whale.
In other words, 166,000 grams is 0.830 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 1.20 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 200,000 grams. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about seven-tenths as heavy as a cubic meter of Snow.
In other words, 166,000 grams is 0.720 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 1.40 times that amount.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 230,000 grams. Assembled in 2008, the world record largest snowman was constructed of 5,900,000,000 grams of snow and stood 37.21 m (122.1 ft) tall.
It's about two-thirds as heavy as a Pig.
In other words, the weight of a Pig is 1.50 times 166,000 grams.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 250,000 grams. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about two times as heavy as a Kangaroo.
It's about two-and-a-half times as heavy as a Beer Keg.
In other words, 166,000 grams is 2.280 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.43860 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 72,800 grams when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.