166476704000 has 144 divisors (see below), whose sum is σ = 429017163120. Its totient is φ = 64294092800.

The previous prime is 166476703979. The next prime is 166476704059. The reversal of 166476704000 is 407674661.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 97353984256 + 69122719744 = 312016^2 + 262912^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838304 + ... + 1017696.

It is an arithmetic number, because the mean of its divisors is an integer number (2979285855).

Almost surely, 2^166476704000 is an apocalyptic number.

166476704000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166476704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214508581560).

166476704000 is an abundant number, since it is smaller than the sum of its proper divisors (262540459120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166476704000 is an equidigital number, since it uses as much as digits as its factorization.

166476704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179453 (or 179429 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 166476704000 in words is "one hundred sixty-six billion, four hundred seventy-six million, seven hundred four thousand".