16031599922 has 54 divisors (see below), whose sum is σ = 26686500759. Its totient is φ = 7219779840.

The previous prime is 16031599919. The next prime is 16031599931. The reversal of 16031599922 is 22999513061.

It can be written as a sum of positive squares in 5 ways, for example, as 1820814241 + 14210785681 = 42671^2 + 119209^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=89531.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 165274178 + ... + 165274274.

Almost surely, 2^16031599922 is an apocalyptic number.

16031599922 is a deficient number, since it is larger than the sum of its proper divisors (10654900837).

16031599922 is an frugal number, since it uses more digits than its factorization.

16031599922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 16031599922 in words is "sixteen billion, thirty-one million, five hundred ninety-nine thousand, nine hundred twenty-two".