166194116 has 12 divisors (see below), whose sum is σ = 317279760. Its totient is φ = 75542760.

The previous prime is 166194109. The next prime is 166194139. The reversal of 166194116 is 611491661.

It is an unprimeable number.

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, 1888526 + ... + 1888613.

It is an arithmetic number, because the mean of its divisors is an integer number (26439980).

Almost surely, 2^166194116 is an apocalyptic number.

It is an amenable number.

166194116 is a deficient number, since it is larger than the sum of its proper divisors (151085644).

166194116 is a wasteful number, since it uses less digits than its factorization.

166194116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777154 (or 3777152 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 166194116 is about 12891.6296875143. The cubic root of 166194116 is about 549.8006065098.

The spelling of 166194116 in words is "one hundred sixty-six million, one hundred ninety-four thousand, one hundred sixteen".