15864365080 has 16 divisors (see below), whose sum is σ = 35694821520. Its totient is φ = 6345746016.

The previous prime is 15864365063. The next prime is 15864365093. The reversal of 15864365080 is 8056346851.

It is a self number, because there is not a number n which added to its sum of digits gives 15864365080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198304524 + ... + 198304603.

It is an arithmetic number, because the mean of its divisors is an integer number (2230926345).

Almost surely, 2^15864365080 is an apocalyptic number.

15864365080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15864365080 is an abundant number, since it is smaller than the sum of its proper divisors (19830456440).

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

15864365080 is a wasteful number, since it uses less digits than its factorization.

15864365080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396609138 (or 396609134 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 15864365080 in words is "fifteen billion, eight hundred sixty-four million, three hundred sixty-five thousand, eighty".