13170117956 has 12 divisors (see below), whose sum is σ = 23117339280. Its totient is φ = 6565163880.

The previous prime is 13170117943. The next prime is 13170118009. The reversal of 13170117956 is 65971107131.

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, 4972286 + ... + 4974933.

It is an arithmetic number, because the mean of its divisors is an integer number (1926444940).

Almost surely, 2^13170117956 is an apocalyptic number.

It is an amenable number.

13170117956 is a deficient number, since it is larger than the sum of its proper divisors (9947221324).

13170117956 is a wasteful number, since it uses less digits than its factorization.

13170117956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947554 (or 9947552 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The spelling of 13170117956 in words is "thirteen billion, one hundred seventy million, one hundred seventeen thousand, nine hundred fifty-six".