56655560165 has 16 divisors (see below), whose sum is σ = 70338295296. Its totient is φ = 43763304000.

The previous prime is 56655560161. The next prime is 56655560179. The reversal of 56655560165 is 56106555665.

It is not a de Polignac number, because 56655560165 - 2² = 56655560161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56655560161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343886 + ... + 481215.

It is an arithmetic number, because the mean of its divisors is an integer number (4396143456).

Almost surely, 2^56655560165 is an apocalyptic number.

It is an amenable number.

56655560165 is a deficient number, since it is larger than the sum of its proper divisors (13682735131).

56655560165 is a wasteful number, since it uses less digits than its factorization.

56655560165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825580.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 56655560165 in words is "fifty-six billion, six hundred fifty-five million, five hundred sixty thousand, one hundred sixty-five".