15920768084 has 48 divisors (see below), whose sum is σ = 32319114240. Its totient is φ = 6801822720.

The previous prime is 15920768077. The next prime is 15920768099. The reversal of 15920768084 is 48086702951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177629 + ... + 251780.

It is an arithmetic number, because the mean of its divisors is an integer number (673314880).

Almost surely, 2^15920768084 is an apocalyptic number.

It is an amenable number.

15920768084 is an abundant number, since it is smaller than the sum of its proper divisors (16398346156).

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

15920768084 is a wasteful number, since it uses less digits than its factorization.

15920768084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429480 (or 429478 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 15920768084 in words is "fifteen billion, nine hundred twenty million, seven hundred sixty-eight thousand, eighty-four".