13552658568 has 48 divisors (see below), whose sum is σ = 37600371900. Its totient is φ = 4407367680.

The previous prime is 13552658549. The next prime is 13552658617. The reversal of 13552658568 is 86585625531.

13552658568 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 26 + 58 + 568 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13427710884 + 124947684 = 115878^2 + 11178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2292553 + ... + 2298456.

Almost surely, 2^13552658568 is an apocalyptic number.

13552658568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13552658568 is an abundant number, since it is smaller than the sum of its proper divisors (24047713332).

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

13552658568 is a wasteful number, since it uses less digits than its factorization.

13552658568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591062 (or 4591055 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 13552658568 in words is "thirteen billion, five hundred fifty-two million, six hundred fifty-eight thousand, five hundred sixty-eight".