36664637606436 has 96 divisors (see below), whose sum is σ = 97930655262720. Its totient is φ = 10458658842624.

The previous prime is 36664637606431. The next prime is 36664637606483. The reversal of 36664637606436 is 63460673646663.

It is a super-2 number, since 2×36664637606436² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36664637606431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239723140 + ... + 239876036.

It is an arithmetic number, because the mean of its divisors is an integer number (1020110992320).

Almost surely, 2^{36664637606436} is an apocalyptic number.

It is an amenable number.

36664637606436 is an abundant number, since it is smaller than the sum of its proper divisors (61266017656284).

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

36664637606436 is a wasteful number, since it uses less digits than its factorization.

36664637606436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157513 (or 157511 counting only the distinct ones).

The product of its (nonzero) digits is 846526464, while the sum is 66.

The spelling of 36664637606436 in words is "thirty-six trillion, six hundred sixty-four billion, six hundred thirty-seven million, six hundred six thousand, four hundred thirty-six".