13261302344664 has 96 divisors (see below), whose sum is σ = 39232880753040. Its totient is φ = 4013267731200.

The previous prime is 13261302344657. The next prime is 13261302344677. The reversal of 13261302344664 is 46644320316231.

It is a happy number.

13261302344664 is a `hidden beast` number, since 1 + 3 + 2 + 613 + 0 + 23 + 4 + 4 + 6 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10459947 + ... + 11659034.

Almost surely, 2^{13261302344664} is an apocalyptic number.

It is an amenable number.

13261302344664 is an abundant number, since it is smaller than the sum of its proper divisors (25971578408376).

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

13261302344664 is a wasteful number, since it uses less digits than its factorization.

13261302344664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119761 (or 22119754 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 13261302344664 in words is "thirteen trillion, two hundred sixty-one billion, three hundred two million, three hundred forty-four thousand, six hundred sixty-four".