15983873216 has 28 divisors (see below), whose sum is σ = 31725050088. Its totient is φ = 7990159872.

The previous prime is 15983873197. The next prime is 15983873239. The reversal of 15983873216 is 61237838951.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290675 + ... + 341261.

Almost surely, 2^15983873216 is an apocalyptic number.

15983873216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15983873216 is a deficient number, since it is larger than the sum of its proper divisors (15741176872).

15983873216 is an equidigital number, since it uses as much as digits as its factorization.

15983873216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55536 (or 55526 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 15983873216 in words is "fifteen billion, nine hundred eighty-three million, eight hundred seventy-three thousand, two hundred sixteen".