36664633770765 has 96 divisors (see below), whose sum is σ = 79197637994496. Its totient is φ = 14065154138880.

The previous prime is 36664633770691. The next prime is 36664633770823. The reversal of 36664633770765 is 56707733646663.

It is not a de Polignac number, because 36664633770765 - 2⁷ = 36664633770637 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36664633770765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 93722769 + ... + 94113158.

It is an arithmetic number, because the mean of its divisors is an integer number (824975395776).

Almost surely, 2^{36664633770765} is an apocalyptic number.

36664633770765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36664633770765 is an abundant number, since it is smaller than the sum of its proper divisors (42533004223731).

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

36664633770765 is a wasteful number, since it uses less digits than its factorization.

36664633770765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187835979 (or 187835966 counting only the distinct ones).

The product of its (nonzero) digits is 1440270720, while the sum is 69.

The spelling of 36664633770765 in words is "thirty-six trillion, six hundred sixty-four billion, six hundred thirty-three million, seven hundred seventy thousand, seven hundred sixty-five".