15900172992 has 280 divisors, whose sum is σ = 52398027792. Its totient is φ = 4726425600.

The previous prime is 15900172979. The next prime is 15900173011. The reversal of 15900172992 is 29927100951.

15900172992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 3019642 + ... + 3024902.

Almost surely, 2^15900172992 is an apocalyptic number.

15900172992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15900172992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26199013896).

15900172992 is an abundant number, since it is smaller than the sum of its proper divisors (36497854800).

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

15900172992 is a wasteful number, since it uses less digits than its factorization.

15900172992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349 (or 5330 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 15900172992 in words is "fifteen billion, nine hundred million, one hundred seventy-two thousand, nine hundred ninety-two".