13616636125 has 16 divisors (see below), whose sum is σ = 17247207744. Its totient is φ = 10730715600.

The previous prime is 13616636113. The next prime is 13616636179. The reversal of 13616636125 is 52163661631.

It is not a de Polignac number, because 13616636125 - 2⁷ = 13616635997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 804559 + ... + 821308.

It is an arithmetic number, because the mean of its divisors is an integer number (1077950484).

Almost surely, 2^13616636125 is an apocalyptic number.

It is an amenable number.

13616636125 is a deficient number, since it is larger than the sum of its proper divisors (3630571619).

13616636125 is an equidigital number, since it uses as much as digits as its factorization.

13616636125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625949 (or 1625939 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The spelling of 13616636125 in words is "thirteen billion, six hundred sixteen million, six hundred thirty-six thousand, one hundred twenty-five".