56566574165 has 16 divisors (see below), whose sum is σ = 68688829440. Its totient is φ = 44714651520.

The previous prime is 56566574149. The next prime is 56566574171. The reversal of 56566574165 is 56147566565.

It is a happy number.

56566574165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56566574165 - 2⁴ = 56566574149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56566574165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630332 + ... + 714458.

It is an arithmetic number, because the mean of its divisors is an integer number (4293051840).

Almost surely, 2^56566574165 is an apocalyptic number.

It is an amenable number.

56566574165 is a deficient number, since it is larger than the sum of its proper divisors (12122255275).

56566574165 is a wasteful number, since it uses less digits than its factorization.

56566574165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85732.

The product of its digits is 22680000, while the sum is 56.

The spelling of 56566574165 in words is "fifty-six billion, five hundred sixty-six million, five hundred seventy-four thousand, one hundred sixty-five".