23616545625 has 40 divisors (see below), whose sum is σ = 43720380000. Its totient is φ = 12595482000.

The previous prime is 23616545609. The next prime is 23616545657. The reversal of 23616545625 is 52654561632.

23616545625 is a `hidden beast` number, since 2 + 3 + 6 + 16 + 5 + 4 + 5 + 625 = 666.

It is not a de Polignac number, because 23616545625 - 2⁴ = 23616545609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 682875 + ... + 716624.

It is an arithmetic number, because the mean of its divisors is an integer number (1093009500).

Almost surely, 2^23616545625 is an apocalyptic number.

23616545625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23616545625 is a deficient number, since it is larger than the sum of its proper divisors (20103834375).

23616545625 is an equidigital number, since it uses as much as digits as its factorization.

23616545625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399528 (or 1399507 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 23616545625 in words is "twenty-three billion, six hundred sixteen million, five hundred forty-five thousand, six hundred twenty-five".