16372869931 has 32 divisors (see below), whose sum is σ = 19003412736. Its totient is φ = 13970880000.

The previous prime is 16372869899. The next prime is 16372869941. The reversal of 16372869931 is 13996827361.

It is not a de Polignac number, because 16372869931 - 2⁵ = 16372869899 is a prime.

It is a super-2 number, since 2×16372869931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16372869941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293031 + ... + 1305631.

It is an arithmetic number, because the mean of its divisors is an integer number (593856648).

Almost surely, 2^16372869931 is an apocalyptic number.

16372869931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16372869931 is a deficient number, since it is larger than the sum of its proper divisors (2630542805).

16372869931 is a wasteful number, since it uses less digits than its factorization.

16372869931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763.

The product of its digits is 2939328, while the sum is 55.

The spelling of 16372869931 in words is "sixteen billion, three hundred seventy-two million, eight hundred sixty-nine thousand, nine hundred thirty-one".