15716865472 has 56 divisors (see below), whose sum is σ = 38883945600. Its totient is φ = 6123452160.

The previous prime is 15716865467. The next prime is 15716865473. The reversal of 15716865472 is 27456861751.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15716865473) 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, 1589722 + ... + 1599577.

Almost surely, 2^15716865472 is an apocalyptic number.

It is an amenable number.

15716865472 is an abundant number, since it is smaller than the sum of its proper divisors (23167080128).

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

15716865472 is a wasteful number, since it uses less digits than its factorization.

15716865472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189329 (or 3189319 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 52.

It can be divided in two parts, 15716 and 865472, that added together give a palindrome (881188).

The spelling of 15716865472 in words is "fifteen billion, seven hundred sixteen million, eight hundred sixty-five thousand, four hundred seventy-two".