166956790 has 96 divisors (see below), whose sum is σ = 406031616. Its totient is φ = 47998080.

The previous prime is 166956787. The next prime is 166956809. The reversal of 166956790 is 97659661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129489 + ... + 130771.

It is an arithmetic number, because the mean of its divisors is an integer number (4229496).

Almost surely, 2^166956790 is an apocalyptic number.

166956790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166956790 is an abundant number, since it is smaller than the sum of its proper divisors (239074826).

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

166956790 is a wasteful number, since it uses less digits than its factorization.

166956790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 166956790 is about 12921.1760300679. The cubic root of 166956790 is about 550.6403450892.

The spelling of 166956790 in words is "one hundred sixty-six million, nine hundred fifty-six thousand, seven hundred ninety".