13664636344896 has 112 divisors (see below), whose sum is σ = 37478520334656. Its totient is φ = 4390355257344.

The previous prime is 13664636344883. The next prime is 13664636344903. The reversal of 13664636344896 is 69844363646631.

It is a self number, because there is not a number n which added to its sum of digits gives 13664636344896.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8228251 + ... + 9748506.

Almost surely, 2^{13664636344896} is an apocalyptic number.

13664636344896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13664636344896 is an abundant number, since it is smaller than the sum of its proper divisors (23813883989760).

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

13664636344896 is a wasteful number, since it uses less digits than its factorization.

13664636344896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976916 (or 17976906 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 69.

The spelling of 13664636344896 in words is "thirteen trillion, six hundred sixty-four billion, six hundred thirty-six million, three hundred forty-four thousand, eight hundred ninety-six".