15960077672 has 128 divisors (see below), whose sum is σ = 39351398400. Its totient is φ = 5879174400.

The previous prime is 15960077659. The next prime is 15960077677. The reversal of 15960077672 is 27677006951.

It is a self number, because there is not a number n which added to its sum of digits gives 15960077672.

It is not an unprimeable number, because it can be changed into a prime (15960077677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7735313 + ... + 7737375.

It is an arithmetic number, because the mean of its divisors is an integer number (307432800).

Almost surely, 2^15960077672 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 15960077672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19675699200).

15960077672 is an abundant number, since it is smaller than the sum of its proper divisors (23391320728).

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

15960077672 is a wasteful number, since it uses less digits than its factorization.

15960077672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 15960077672 in words is "fifteen billion, nine hundred sixty million, seventy-seven thousand, six hundred seventy-two".