131604432514886 has 16 divisors (see below), whose sum is σ = 209051788797936. Its totient is φ = 61921724553216.

The previous prime is 131604432514883. The next prime is 131604432514901. The reversal of 131604432514886 is 688415234406131.

It is a super-2 number, since 2×131604432514886² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131604432514883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305190776 + ... + 305621691.

It is an arithmetic number, because the mean of its divisors is an integer number (13065736799871).

Almost surely, 2^{131604432514886} is an apocalyptic number.

131604432514886 is a deficient number, since it is larger than the sum of its proper divisors (77447356283050).

131604432514886 is a wasteful number, since it uses less digits than its factorization.

131604432514886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610818823.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 131604432514886 in words is "one hundred thirty-one trillion, six hundred four billion, four hundred thirty-two million, five hundred fourteen thousand, eight hundred eighty-six".