13466887656 has 16 divisors (see below), whose sum is σ = 33667219200. Its totient is φ = 4488962544.

The previous prime is 13466887597. The next prime is 13466887699. The reversal of 13466887656 is 65678866431.

It is a super-5 number, since 5×13466887656⁵ (a number of 52 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13466887656.

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, 280560136 + ... + 280560183.

It is an arithmetic number, because the mean of its divisors is an integer number (2104201200).

Almost surely, 2^13466887656 is an apocalyptic number.

It is an amenable number.

13466887656 is an abundant number, since it is smaller than the sum of its proper divisors (20200331544).

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

13466887656 is a wasteful number, since it uses less digits than its factorization.

13466887656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561120328 (or 561120324 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 13466887656 in words is "thirteen billion, four hundred sixty-six million, eight hundred eighty-seven thousand, six hundred fifty-six".