231417647051166 has 40 divisors (see below), whose sum is σ = 518714819868960. Its totient is φ = 77114243287872.

The previous prime is 231417647051161. The next prime is 231417647051167. The reversal of 231417647051166 is 661150746714132.

It is a happy number.

231417647051166 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 1 + 7 + 6 + 470 + 5 + 1 + 166 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231417647051161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 230723926 + ... + 231724761.

It is an arithmetic number, because the mean of its divisors is an integer number (12967870496724).

Almost surely, 2^{231417647051166} is an apocalyptic number.

231417647051166 is an abundant number, since it is smaller than the sum of its proper divisors (287297172817794).

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

231417647051166 is a wasteful number, since it uses less digits than its factorization.

231417647051166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462451790 (or 462451781 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 231417647051166 in words is "two hundred thirty-one trillion, four hundred seventeen billion, six hundred forty-seven million, fifty-one thousand, one hundred sixty-six".