36556665264 has 120 divisors (see below), whose sum is σ = 118905246720. Its totient is φ = 10267714944.

The previous prime is 36556665263. The next prime is 36556665311. The reversal of 36556665264 is 46256665563.

It is a self number, because there is not a number n which added to its sum of digits gives 36556665264.

It is not an unprimeable number, because it can be changed into a prime (36556665263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247872 + ... + 366815.

It is an arithmetic number, because the mean of its divisors is an integer number (990877056).

Almost surely, 2^36556665264 is an apocalyptic number.

It is an amenable number.

36556665264 is an abundant number, since it is smaller than the sum of its proper divisors (82348581456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36556665264 is a wasteful number, since it uses less digits than its factorization.

36556665264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614767 (or 614758 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 36556665264 in words is "thirty-six billion, five hundred fifty-six million, six hundred sixty-five thousand, two hundred sixty-four".