13180272656 has 20 divisors (see below), whose sum is σ = 25539055872. Its totient is φ = 6589548576.

The previous prime is 13180272643. The next prime is 13180272683. The reversal of 13180272656 is 65627208131.

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, 191081 + ... + 250743.

Almost surely, 2^13180272656 is an apocalyptic number.

13180272656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13180272656 is a deficient number, since it is larger than the sum of its proper divisors (12358783216).

13180272656 is a wasteful number, since it uses less digits than its factorization.

13180272656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73478 (or 73472 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 13180272656 in words is "thirteen billion, one hundred eighty million, two hundred seventy-two thousand, six hundred fifty-six".