15986652090 has 32 divisors (see below), whose sum is σ = 40036139136. Its totient is φ = 4077754560.

The previous prime is 15986652089. The next prime is 15986652103. The reversal of 15986652090 is 9025668951.

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, 11583841 + ... + 11585220.

It is an arithmetic number, because the mean of its divisors is an integer number (1251129348).

Almost surely, 2^15986652090 is an apocalyptic number.

15986652090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15986652090 is an abundant number, since it is smaller than the sum of its proper divisors (24049487046).

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

15986652090 is a wasteful number, since it uses less digits than its factorization.

15986652090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169094.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 15986652090 in words is "fifteen billion, nine hundred eighty-six million, six hundred fifty-two thousand, ninety".