117431642466 has 24 divisors (see below), whose sum is σ = 255490982604. Its totient is φ = 38981456640.

The previous prime is 117431642443. The next prime is 117431642467. The reversal of 117431642466 is 664246134711.

117431642466 is a `hidden beast` number, since 1 + 174 + 3 + 16 + 4 + 2 + 466 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113370257025 + 4061385441 = 336705^2 + 63729^2 .

It is a super-2 number, since 2×117431642466² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117431642467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530891 + ... + 13539566.

Almost surely, 2^117431642466 is an apocalyptic number.

117431642466 is an abundant number, since it is smaller than the sum of its proper divisors (138059340138).

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

117431642466 is a wasteful number, since it uses less digits than its factorization.

117431642466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27070706 (or 27070703 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 117431642466 in words is "one hundred seventeen billion, four hundred thirty-one million, six hundred forty-two thousand, four hundred sixty-six".