165604796 has 12 divisors (see below), whose sum is σ = 331209648. Its totient is φ = 70973472.

The previous prime is 165604793. The next prime is 165604801. The reversal of 165604796 is 697406561.

It is a happy number.

165604796 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165604793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957201 + ... + 2957256.

It is an arithmetic number, because the mean of its divisors is an integer number (27600804).

Almost surely, 2^165604796 is an apocalyptic number.

It is an amenable number.

165604796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165604796 is a wasteful number, since it uses less digits than its factorization.

165604796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914468 (or 5914466 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 165604796 is about 12868.7526979113. The cubic root of 165604796 is about 549.1499773285.

The spelling of 165604796 in words is "one hundred sixty-five million, six hundred four thousand, seven hundred ninety-six".