15979776060 has 24 divisors (see below), whose sum is σ = 44743373136. Its totient is φ = 4261273600.

The previous prime is 15979776053. The next prime is 15979776061. The reversal of 15979776060 is 6067797951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15979776061) 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, 133164741 + ... + 133164860.

It is an arithmetic number, because the mean of its divisors is an integer number (1864307214).

Almost surely, 2^15979776060 is an apocalyptic number.

15979776060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15979776060 is an abundant number, since it is smaller than the sum of its proper divisors (28763597076).

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

15979776060 is a wasteful number, since it uses less digits than its factorization.

15979776060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266329613 (or 266329611 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 57.

The spelling of 15979776060 in words is "fifteen billion, nine hundred seventy-nine million, seven hundred seventy-six thousand, sixty".