100520600656 has 20 divisors (see below), whose sum is σ = 222581330272. Its totient is φ = 43080257376.

The previous prime is 100520600629. The next prime is 100520600699. The reversal of 100520600656 is 656006025001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448752570 + ... + 448752793.

Almost surely, 2^100520600656 is an apocalyptic number.

100520600656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100520600656 is an abundant number, since it is smaller than the sum of its proper divisors (122060729616).

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

100520600656 is an equidigital number, since it uses as much as digits as its factorization.

100520600656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897505378 (or 897505372 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 100520600656 its reverse (656006025001), we get a palindrome (756526625657).

The spelling of 100520600656 in words is "one hundred billion, five hundred twenty million, six hundred thousand, six hundred fifty-six".