15116220660 has 24 divisors (see below), whose sum is σ = 42325418016. Its totient is φ = 4030992160.

The previous prime is 15116220653. The next prime is 15116220661. The reversal of 15116220660 is 6602261151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15116220661) 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, 125968446 + ... + 125968565.

It is an arithmetic number, because the mean of its divisors is an integer number (1763559084).

Almost surely, 2^15116220660 is an apocalyptic number.

15116220660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15116220660 is an abundant number, since it is smaller than the sum of its proper divisors (27209197356).

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

15116220660 is a wasteful number, since it uses less digits than its factorization.

15116220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251937023 (or 251937021 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 15116220660 in words is "fifteen billion, one hundred sixteen million, two hundred twenty thousand, six hundred sixty".