12164325525 has 96 divisors (see below), whose sum is σ = 24427008000. Its totient is φ = 5885956800.

The previous prime is 12164325517. The next prime is 12164325541. The reversal of 12164325525 is 52552346121.

12164325525 is a `hidden beast` number, since 1 + 2 + 1 + 643 + 2 + 5 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 12164325525 - 2³ = 12164325517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12164325525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4505626 + ... + 4508324.

It is an arithmetic number, because the mean of its divisors is an integer number (254448000).

Almost surely, 2^12164325525 is an apocalyptic number.

12164325525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12164325525 is an abundant number, since it is smaller than the sum of its proper divisors (12262682475).

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

12164325525 is a wasteful number, since it uses less digits than its factorization.

12164325525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3325 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 12164325525 in words is "twelve billion, one hundred sixty-four million, three hundred twenty-five thousand, five hundred twenty-five".