187431106968 has 120 divisors (see below), whose sum is σ = 592195542900. Its totient is φ = 53551695456.

The previous prime is 187431106939. The next prime is 187431106987. The reversal of 187431106968 is 869601134781.

187431106968 is a `hidden beast` number, since 1 + 87 + 431 + 10 + 69 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 369238 + ... + 714981.

Almost surely, 2^187431106968 is an apocalyptic number.

187431106968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

187431106968 is an abundant number, since it is smaller than the sum of its proper divisors (404764435932).

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

187431106968 is a wasteful number, since it uses less digits than its factorization.

187431106968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084259 (or 1084231 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 187431106968 in words is "one hundred eighty-seven billion, four hundred thirty-one million, one hundred six thousand, nine hundred sixty-eight".