131604160 has 56 divisors (see below), whose sum is σ = 327026016. Its totient is φ = 50350080.

The previous prime is 131604149. The next prime is 131604163. The reversal of 131604160 is 61406131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131604163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 16300.

Almost surely, 2^131604160 is an apocalyptic number.

131604160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131604160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163513008).

131604160 is an abundant number, since it is smaller than the sum of its proper divisors (195421856).

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

131604160 is a wasteful number, since it uses less digits than its factorization.

131604160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17921 (or 17911 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 131604160 is about 11471.8856340185. The cubic root of 131604160 is about 508.6548687497.

The spelling of 131604160 in words is "one hundred thirty-one million, six hundred four thousand, one hundred sixty".