131661060 has 24 divisors (see below), whose sum is σ = 368651136. Its totient is φ = 35109600.

The previous prime is 131661043. The next prime is 131661091. The reversal of 131661060 is 60166131.

It is a self number, because there is not a number n which added to its sum of digits gives 131661060.

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, 1097116 + ... + 1097235.

It is an arithmetic number, because the mean of its divisors is an integer number (15360464).

Almost surely, 2^131661060 is an apocalyptic number.

131661060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131661060 is an abundant number, since it is smaller than the sum of its proper divisors (236990076).

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

131661060 is a wasteful number, since it uses less digits than its factorization.

131661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194363 (or 2194361 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 131661060 is about 11474.3653419263. The cubic root of 131661060 is about 508.7281650444.

The spelling of 131661060 in words is "one hundred thirty-one million, six hundred sixty-one thousand, sixty".