131688168662356 has 12 divisors (see below), whose sum is σ = 234360300162240. Its totient is φ = 64728082901720.

The previous prime is 131688168662317. The next prime is 131688168662359. The reversal of 131688168662356 is 653266861886131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131688168662359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279000357100 + ... + 279000357571.

It is an arithmetic number, because the mean of its divisors is an integer number (19530025013520).

Almost surely, 2^{131688168662356} is an apocalyptic number.

It is an amenable number.

131688168662356 is a deficient number, since it is larger than the sum of its proper divisors (102672131499884).

131688168662356 is a wasteful number, since it uses less digits than its factorization.

131688168662356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558000714734 (or 558000714732 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 70.

The spelling of 131688168662356 in words is "one hundred thirty-one trillion, six hundred eighty-eight billion, one hundred sixty-eight million, six hundred sixty-two thousand, three hundred fifty-six".