15939054768 has 480 divisors, whose sum is σ = 53981086656. Its totient is φ = 4013162496.

The previous prime is 15939054757. The next prime is 15939054779. The reversal of 15939054768 is 86745093951.

It is an interprime number because it is at equal distance from previous prime (15939054757) and next prime (15939054779).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82585680 + ... + 82585872.

Almost surely, 2^15939054768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15939054768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26990543328).

15939054768 is an abundant number, since it is smaller than the sum of its proper divisors (38042031888).

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

15939054768 is a wasteful number, since it uses less digits than its factorization.

15939054768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 15939054768 in words is "fifteen billion, nine hundred thirty-nine million, fifty-four thousand, seven hundred sixty-eight".