15689738016 has 48 divisors (see below), whose sum is σ = 45761738400. Its totient is φ = 5229912384.

The previous prime is 15689738003. The next prime is 15689738023. The reversal of 15689738016 is 61083798651.

15689738016 is a `hidden beast` number, since 1 + 568 + 9 + 73 + 8 + 0 + 1 + 6 = 666.

15689738016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078846 + ... + 9080573.

It is an arithmetic number, because the mean of its divisors is an integer number (953369550).

Almost surely, 2^15689738016 is an apocalyptic number.

15689738016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15689738016 is an abundant number, since it is smaller than the sum of its proper divisors (30072000384).

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

15689738016 is a wasteful number, since it uses less digits than its factorization.

15689738016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18159438 (or 18159424 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 15689738016 in words is "fifteen billion, six hundred eighty-nine million, seven hundred thirty-eight thousand, sixteen".