104561625636 has 108 divisors (see below), whose sum is σ = 286634366928. Its totient is φ = 32124426048.

The previous prime is 104561625601. The next prime is 104561625643. The reversal of 104561625636 is 636526165401.

104561625636 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 6 + 1 + 6 + 2 + 5 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 104561625591 and 104561625600.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4142791 + ... + 4167953.

It is an arithmetic number, because the mean of its divisors is an integer number (2654021916).

Almost surely, 2^104561625636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104561625636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143317183464).

104561625636 is an abundant number, since it is smaller than the sum of its proper divisors (182072741292).

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

104561625636 is a wasteful number, since it uses less digits than its factorization.

104561625636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882 (or 25864 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 104561625636 in words is "one hundred four billion, five hundred sixty-one million, six hundred twenty-five thousand, six hundred thirty-six".