131604106620 has 48 divisors (see below), whose sum is σ = 421133142528. Its totient is φ = 30080938560.

The previous prime is 131604106609. The next prime is 131604106637. The reversal of 131604106620 is 26601406131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156671136 + ... + 156671975.

It is an arithmetic number, because the mean of its divisors is an integer number (8773607136).

Almost surely, 2^131604106620 is an apocalyptic number.

131604106620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131604106620 is an abundant number, since it is smaller than the sum of its proper divisors (289529035908).

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

131604106620 is a wasteful number, since it uses less digits than its factorization.

131604106620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313343130 (or 313343128 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 131604106620 in words is "one hundred thirty-one billion, six hundred four million, one hundred six thousand, six hundred twenty".