15877199660 has 48 divisors (see below), whose sum is σ = 38112512256. Its totient is φ = 5442578112.

The previous prime is 15877199641. The next prime is 15877199683. The reversal of 15877199660 is 6699177851.

It is a self number, because there is not a number n which added to its sum of digits gives 15877199660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282259 + ... + 1294581.

It is an arithmetic number, because the mean of its divisors is an integer number (794010672).

Almost surely, 2^15877199660 is an apocalyptic number.

15877199660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15877199660 is an abundant number, since it is smaller than the sum of its proper divisors (22235312596).

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

15877199660 is a wasteful number, since it uses less digits than its factorization.

15877199660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21542 (or 21540 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 15877199660 in words is "fifteen billion, eight hundred seventy-seven million, one hundred ninety-nine thousand, six hundred sixty".