13395577656 has 64 divisors (see below), whose sum is σ = 33913152000. Its totient is φ = 4408887168.

The previous prime is 13395577639. The next prime is 13395577673. The reversal of 13395577656 is 65677559331.

It is an interprime number because it is at equal distance from previous prime (13395577639) and next prime (13395577673).

It is a junction number, because it is equal to n+sod(n) for n = 13395577596 and 13395577605.

It is a congruent number.

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, 854965 + ... + 870491.

It is an arithmetic number, because the mean of its divisors is an integer number (529893000).

Almost surely, 2^13395577656 is an apocalyptic number.

It is an amenable number.

13395577656 is an abundant number, since it is smaller than the sum of its proper divisors (20517574344).

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

13395577656 is a wasteful number, since it uses less digits than its factorization.

13395577656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15988 (or 15984 counting only the distinct ones).

The product of its digits is 17860500, while the sum is 57.

The spelling of 13395577656 in words is "thirteen billion, three hundred ninety-five million, five hundred seventy-seven thousand, six hundred fifty-six".