131660564352 has 32 divisors (see below), whose sum is σ = 349723375080. Its totient is φ = 43886854656.

The previous prime is 131660564333. The next prime is 131660564363. The reversal of 131660564352 is 253465066131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 171432643 + ... + 171433410.

Almost surely, 2^131660564352 is an apocalyptic number.

131660564352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131660564352 is an abundant number, since it is smaller than the sum of its proper divisors (218062810728).

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

131660564352 is an equidigital number, since it uses as much as digits as its factorization.

131660564352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342866070 (or 342866058 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 131660564352 in words is "one hundred thirty-one billion, six hundred sixty million, five hundred sixty-four thousand, three hundred fifty-two".