166494116 has 12 divisors (see below), whose sum is σ = 297564288. Its totient is φ = 81475752.

The previous prime is 166494113. The next prime is 166494179. The reversal of 166494116 is 611494661.

It is a self number, because there is not a number n which added to its sum of digits gives 166494116.

It is not an unprimeable number, because it can be changed into a prime (166494113) 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 3 ways as a sum of consecutive naturals, for example, 442616 + ... + 442991.

It is an arithmetic number, because the mean of its divisors is an integer number (24797024).

Almost surely, 2^166494116 is an apocalyptic number.

It is an amenable number.

166494116 is a deficient number, since it is larger than the sum of its proper divisors (131070172).

166494116 is a wasteful number, since it uses less digits than its factorization.

166494116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885658 (or 885656 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 166494116 is about 12903.2598981808. The cubic root of 166494116 is about 550.1312259882.

The spelling of 166494116 in words is "one hundred sixty-six million, four hundred ninety-four thousand, one hundred sixteen".