166314968994 has 32 divisors (see below), whose sum is σ = 342455379840. Its totient is φ = 53808077952.

The previous prime is 166314968993. The next prime is 166314969043. The reversal of 166314968994 is 499869413661.

It is a super-2 number, since 2×166314968994² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166314968993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825054 + ... + 1006649.

It is an arithmetic number, because the mean of its divisors is an integer number (10701730620).

Almost surely, 2^166314968994 is an apocalyptic number.

166314968994 is an abundant number, since it is smaller than the sum of its proper divisors (176140410846).

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

166314968994 is a wasteful number, since it uses less digits than its factorization.

166314968994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832154.

The product of its digits is 60466176, while the sum is 66.

The spelling of 166314968994 in words is "one hundred sixty-six billion, three hundred fourteen million, nine hundred sixty-eight thousand, nine hundred ninety-four".