165796940 has 12 divisors (see below), whose sum is σ = 348173616. Its totient is φ = 66318768.

The previous prime is 165796913. The next prime is 165796979. The reversal of 165796940 is 49697561.

165796940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4144904 + ... + 4144943.

It is an arithmetic number, because the mean of its divisors is an integer number (29014468).

Almost surely, 2^165796940 is an apocalyptic number.

165796940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165796940 is an abundant number, since it is smaller than the sum of its proper divisors (182376676).

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

165796940 is a wasteful number, since it uses less digits than its factorization.

165796940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8289856 (or 8289854 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 165796940 is about 12876.2160590757. The cubic root of 165796940 is about 549.3622801393.

The spelling of 165796940 in words is "one hundred sixty-five million, seven hundred ninety-six thousand, nine hundred forty".