15964193168 has 40 divisors (see below), whose sum is σ = 38562859200. Its totient is φ = 6219815040.

The previous prime is 15964193159. The next prime is 15964193171. The reversal of 15964193168 is 86139146951.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477743 + ... + 6480206.

It is an arithmetic number, because the mean of its divisors is an integer number (964071480).

Almost surely, 2^15964193168 is an apocalyptic number.

It is an amenable number.

15964193168 is an abundant number, since it is smaller than the sum of its proper divisors (22598666032).

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

15964193168 is a wasteful number, since it uses less digits than its factorization.

15964193168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957975 (or 12957969 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 53.

The spelling of 15964193168 in words is "fifteen billion, nine hundred sixty-four million, one hundred ninety-three thousand, one hundred sixty-eight".