166317533134 has 16 divisors (see below), whose sum is σ = 272672390016. Its totient is φ = 75742329600.

The previous prime is 166317533113. The next prime is 166317533171. The reversal of 166317533134 is 431335713661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78897207 + ... + 78899314.

It is an arithmetic number, because the mean of its divisors is an integer number (17042024376).

Almost surely, 2^166317533134 is an apocalyptic number.

166317533134 is a deficient number, since it is larger than the sum of its proper divisors (106354856882).

166317533134 is a wasteful number, since it uses less digits than its factorization.

166317533134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157796571.

The product of its digits is 408240, while the sum is 43.

The spelling of 166317533134 in words is "one hundred sixty-six billion, three hundred seventeen million, five hundred thirty-three thousand, one hundred thirty-four".