15552697171967 has 8 divisors (see below), whose sum is σ = 15818825523600. Its totient is φ = 15286652930944.

The previous prime is 15552697171961. The next prime is 15552697172029. The reversal of 15552697171967 is 76917179625551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15552697171967 - 2²⁴ = 15552680394751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15552697171967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552697171961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20654618 + ... + 21394359.

It is an arithmetic number, because the mean of its divisors is an integer number (1977353190450).

Almost surely, 2^{15552697171967} is an apocalyptic number.

15552697171967 is a deficient number, since it is larger than the sum of its proper divisors (266128351633).

15552697171967 is an equidigital number, since it uses as much as digits as its factorization.

15552697171967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42055305.

The product of its digits is 250047000, while the sum is 71.

The spelling of 15552697171967 in words is "fifteen trillion, five hundred fifty-two billion, six hundred ninety-seven million, one hundred seventy-one thousand, nine hundred sixty-seven".