165656056 has 16 divisors (see below), whose sum is σ = 314096400. Its totient is φ = 81897024.

The previous prime is 165656027. The next prime is 165656069. The reversal of 165656056 is 650656561.

It is a congruent number.

It is an unprimeable number.

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, 115620 + ... + 117043.

It is an arithmetic number, because the mean of its divisors is an integer number (19631025).

Almost surely, 2^165656056 is an apocalyptic number.

It is an amenable number.

165656056 is a deficient number, since it is larger than the sum of its proper divisors (148440344).

165656056 is a wasteful number, since it uses less digits than its factorization.

165656056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232758 (or 232754 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 165656056 is about 12870.7441898283. The cubic root of 165656056 is about 549.2066313317.

The spelling of 165656056 in words is "one hundred sixty-five million, six hundred fifty-six thousand, fifty-six".