13656654664 has 16 divisors (see below), whose sum is σ = 25914737520. Its totient is φ = 6746058000.

The previous prime is 13656654629. The next prime is 13656654769. The reversal of 13656654664 is 46645665631.

It is a super-2 number, since 2×13656654664² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10282962 + ... + 10284289.

It is an arithmetic number, because the mean of its divisors is an integer number (1619671095).

Almost surely, 2^13656654664 is an apocalyptic number.

It is an amenable number.

13656654664 is a deficient number, since it is larger than the sum of its proper divisors (12258082856).

13656654664 is a wasteful number, since it uses less digits than its factorization.

13656654664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20567340 (or 20567336 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The spelling of 13656654664 in words is "thirteen billion, six hundred fifty-six million, six hundred fifty-four thousand, six hundred sixty-four".