56500611166 has 4 divisors (see below), whose sum is σ = 84750916752. Its totient is φ = 28250305582.

The previous prime is 56500611157. The next prime is 56500611187. The reversal of 56500611166 is 66111600565.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14125152790 + ... + 14125152793.

It is an arithmetic number, because the mean of its divisors is an integer number (21187729188).

Almost surely, 2^56500611166 is an apocalyptic number.

56500611166 is a deficient number, since it is larger than the sum of its proper divisors (28250305586).

56500611166 is a wasteful number, since it uses less digits than its factorization.

56500611166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28250305585.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 56500611166 in words is "fifty-six billion, five hundred million, six hundred eleven thousand, one hundred sixty-six".