13266353643564 has 48 divisors (see below), whose sum is σ = 35378825126400. Its totient is φ = 3790185104256.

The previous prime is 13266353643553. The next prime is 13266353643593. The reversal of 13266353643564 is 46534635366231.

It is a super-2 number, since 2×13266353643564² (a number of 27 digits) contains 22 as substring.

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, 2609169 + ... + 5774120.

It is an arithmetic number, because the mean of its divisors is an integer number (737058856800).

Almost surely, 2^{13266353643564} is an apocalyptic number.

13266353643564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13266353643564 is an abundant number, since it is smaller than the sum of its proper divisors (22112471482836).

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

13266353643564 is a wasteful number, since it uses less digits than its factorization.

13266353643564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402142 (or 8402140 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 57.

The spelling of 13266353643564 in words is "thirteen trillion, two hundred sixty-six billion, three hundred fifty-three million, six hundred forty-three thousand, five hundred sixty-four".