166327566336264 has 128 divisors (see below), whose sum is σ = 443220999137280. Its totient is φ = 51903404044800.

The previous prime is 166327566336223. The next prime is 166327566336319. The reversal of 166327566336264 is 462633665723661.

It is a junction number, because it is equal to n+sod(n) for n = 166327566336195 and 166327566336204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10119442 + ... + 20858049.

It is an arithmetic number, because the mean of its divisors is an integer number (3462664055760).

Almost surely, 2^{166327566336264} is an apocalyptic number.

It is an amenable number.

166327566336264 is an abundant number, since it is smaller than the sum of its proper divisors (276893432801016).

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

166327566336264 is a wasteful number, since it uses less digits than its factorization.

166327566336264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30977731 (or 30977727 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 66.

The spelling of 166327566336264 in words is "one hundred sixty-six trillion, three hundred twenty-seven billion, five hundred sixty-six million, three hundred thirty-six thousand, two hundred sixty-four".