15612112164 has 48 divisors (see below), whose sum is σ = 39780679680. Its totient is φ = 4726091040.

The previous prime is 15612112141. The next prime is 15612112177. The reversal of 15612112164 is 46121121651.

15612112164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 69597 + ... + 189915.

It is an arithmetic number, because the mean of its divisors is an integer number (828764160).

Almost surely, 2^15612112164 is an apocalyptic number.

It is an amenable number.

15612112164 is an abundant number, since it is smaller than the sum of its proper divisors (24168567516).

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

15612112164 is a wasteful number, since it uses less digits than its factorization.

15612112164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121320 (or 121318 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

It can be divided in two parts, 1 and 5612112164, that added together give a palindrome (5612112165).

The spelling of 15612112164 in words is "fifteen billion, six hundred twelve million, one hundred twelve thousand, one hundred sixty-four".