12575828164 has 27 divisors (see below), whose sum is σ = 22504774957. Its totient is φ = 6148970144.

The previous prime is 12575828143. The next prime is 12575828171. The reversal of 12575828164 is 46182857521.

The square root of 12575828164 is 112142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6459336900 + 6116491264 = 80370^2 + 78208^2 .

It is a super-2 number, since 2×12575828164² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10540752 + ... + 10541944.

Almost surely, 2^12575828164 is an apocalyptic number.

12575828164 is the 112142-nd square number.

It is an amenable number.

12575828164 is a deficient number, since it is larger than the sum of its proper divisors (9928946793).

12575828164 is an frugal number, since it uses more digits than its factorization.

12575828164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 1242 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 49.

Multiplying 12575828164 by its sum of digits (49), we get a square (616215580036 = 784994²).

The spelling of 12575828164 in words is "twelve billion, five hundred seventy-five million, eight hundred twenty-eight thousand, one hundred sixty-four".