165579056 has 10 divisors (see below), whose sum is σ = 320809452. Its totient is φ = 82789520.

The previous prime is 165579041. The next prime is 165579059. The reversal of 165579056 is 650975561.

It is a super-2 number, since 2×165579056² = 54832847571702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165578998 and 165579016.

It is not an unprimeable number, because it can be changed into a prime (165579059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5174330 + ... + 5174361.

Almost surely, 2^165579056 is an apocalyptic number.

165579056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165579056 is a deficient number, since it is larger than the sum of its proper divisors (155230396).

165579056 is a wasteful number, since it uses less digits than its factorization.

165579056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348699 (or 10348693 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 165579056 is about 12867.7525621221. The cubic root of 165579056 is about 549.1215243425.

The spelling of 165579056 in words is "one hundred sixty-five million, five hundred seventy-nine thousand, fifty-six".