166813277106 has 24 divisors (see below), whose sum is σ = 388096196400. Its totient is φ = 47660936232.

The previous prime is 166813277047. The next prime is 166813277129. The reversal of 166813277106 is 601772318661.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283695756 + ... + 283696343.

It is an arithmetic number, because the mean of its divisors is an integer number (16170674850).

Almost surely, 2^166813277106 is an apocalyptic number.

166813277106 is an abundant number, since it is smaller than the sum of its proper divisors (221282919294).

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

166813277106 is a wasteful number, since it uses less digits than its factorization.

166813277106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567392118 (or 567392111 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 166813277106 in words is "one hundred sixty-six billion, eight hundred thirteen million, two hundred seventy-seven thousand, one hundred six".