199197166 has 16 divisors (see below), whose sum is σ = 341735040. Its totient is φ = 85306680.

The previous prime is 199197137. The next prime is 199197221. The reversal of 199197166 is 661791991.

It is a happy number.

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, 17601 + ... + 26611.

It is an arithmetic number, because the mean of its divisors is an integer number (21358440).

Almost surely, 2^199197166 is an apocalyptic number.

199197166 is a deficient number, since it is larger than the sum of its proper divisors (142537874).

199197166 is a wasteful number, since it uses less digits than its factorization.

199197166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599.

The product of its digits is 183708, while the sum is 49.

The square root of 199197166 is about 14113.7226131166. The cubic root of 199197166 is about 584.0199979860.

The spelling of 199197166 in words is "one hundred ninety-nine million, one hundred ninety-seven thousand, one hundred sixty-six".