166632031238468 has 12 divisors (see below), whose sum is σ = 293395048868880. Its totient is φ = 82804874418792.

The previous prime is 166632031238467. The next prime is 166632031238473. The reversal of 166632031238468 is 864832130236661.

It is not an unprimeable number, because it can be changed into a prime (166632031238467) 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, 127785299378 + ... + 127785300681.

It is an arithmetic number, because the mean of its divisors is an integer number (24449587405740).

Almost surely, 2^{166632031238468} is an apocalyptic number.

It is an amenable number.

166632031238468 is a deficient number, since it is larger than the sum of its proper divisors (126763017630412).

166632031238468 is a wasteful number, since it uses less digits than its factorization.

166632031238468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255570600226 (or 255570600224 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 59.

The spelling of 166632031238468 in words is "one hundred sixty-six trillion, six hundred thirty-two billion, thirty-one million, two hundred thirty-eight thousand, four hundred sixty-eight".