15983934144 has 56 divisors (see below), whose sum is σ = 42310525488. Its totient is φ = 5325496320.

The previous prime is 15983934133. The next prime is 15983934179. The reversal of 15983934144 is 44143938951.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 419704 + ... + 456200.

It is an arithmetic number, because the mean of its divisors is an integer number (755545098).

Almost surely, 2^15983934144 is an apocalyptic number.

It is an amenable number.

15983934144 is an abundant number, since it is smaller than the sum of its proper divisors (26326591344).

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

15983934144 is a wasteful number, since it uses less digits than its factorization.

15983934144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38793 (or 38783 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 15983934144 in words is "fifteen billion, nine hundred eighty-three million, nine hundred thirty-four thousand, one hundred forty-four".