25326176164 has 27 divisors (see below), whose sum is σ = 45310631457. Its totient is φ = 12386340144.

The previous prime is 25326176131. The next prime is 25326176167. The reversal of 25326176164 is 46167162352.

The square root of 25326176164 is 159142.

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., 9649132900 + 15677043264 = 98230^2 + 125208^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25326176164.

It is not an unprimeable number, because it can be changed into a prime (25326176167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14958502 + ... + 14960194.

Almost surely, 2^25326176164 is an apocalyptic number.

25326176164 is the 159142-nd square number.

It is an amenable number.

25326176164 is a deficient number, since it is larger than the sum of its proper divisors (19984455293).

25326176164 is an frugal number, since it uses more digits than its factorization.

25326176164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 1742 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The spelling of 25326176164 in words is "twenty-five billion, three hundred twenty-six million, one hundred seventy-six thousand, one hundred sixty-four".