15950679616 has 21 divisors (see below), whose sum is σ = 31654134939. Its totient is φ = 7974834624.

The previous prime is 15950679599. The next prime is 15950679671. The reversal of 15950679616 is 61697605951.

The square root of 15950679616 is 126296.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1002475 + ... + 1018261.

It is an arithmetic number, because the mean of its divisors is an integer number (1507339759).

Almost surely, 2^15950679616 is an apocalyptic number.

15950679616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15950679616 is the 126296-th square number.

It is an amenable number.

15950679616 is a deficient number, since it is larger than the sum of its proper divisors (15703455323).

15950679616 is an frugal number, since it uses more digits than its factorization.

15950679616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31586 (or 15789 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 15950679616 in words is "fifteen billion, nine hundred fifty million, six hundred seventy-nine thousand, six hundred sixteen".