36621874656 has 96 divisors (see below), whose sum is σ = 110497111200. Its totient is φ = 11786342400.

The previous prime is 36621874631. The next prime is 36621874697. The reversal of 36621874656 is 65647812663.

36621874656 is a `hidden beast` number, since 3 + 6 + 621 + 8 + 7 + 4 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705745 + ... + 755856.

It is an arithmetic number, because the mean of its divisors is an integer number (1151011575).

Almost surely, 2^36621874656 is an apocalyptic number.

36621874656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36621874656 is an abundant number, since it is smaller than the sum of its proper divisors (73875236544).

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

36621874656 is a wasteful number, since it uses less digits than its factorization.

36621874656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461649 (or 1461635 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 36621874656 in words is "thirty-six billion, six hundred twenty-one million, eight hundred seventy-four thousand, six hundred fifty-six".