131866160 has 40 divisors (see below), whose sum is σ = 307532400. Its totient is φ = 52584192.

The previous prime is 131866151. The next prime is 131866171. The reversal of 131866160 is 61668131.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25559 + ... + 30281.

It is an arithmetic number, because the mean of its divisors is an integer number (7688310).

Almost surely, 2^131866160 is an apocalyptic number.

131866160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131866160 is an abundant number, since it is smaller than the sum of its proper divisors (175666240).

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

131866160 is a wasteful number, since it uses less digits than its factorization.

131866160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085 (or 5079 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 131866160 is about 11483.2991775012. The cubic root of 131866160 is about 508.9921915114.

The spelling of 131866160 in words is "one hundred thirty-one million, eight hundred sixty-six thousand, one hundred sixty".