166925085796 has 72 divisors (see below), whose sum is σ = 352295256096. Its totient is φ = 68953288320.

The previous prime is 166925085779. The next prime is 166925085829. The reversal of 166925085796 is 697580529661.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541855 + ... + 792121.

It is an arithmetic number, because the mean of its divisors is an integer number (4892989668).

Almost surely, 2^166925085796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166925085796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176147628048).

166925085796 is an abundant number, since it is smaller than the sum of its proper divisors (185370170300).

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

166925085796 is a wasteful number, since it uses less digits than its factorization.

166925085796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250409 (or 250400 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 166925085796 in words is "one hundred sixty-six billion, nine hundred twenty-five million, eighty-five thousand, seven hundred ninety-six".