199330666 has 16 divisors (see below), whose sum is σ = 305804160. Its totient is φ = 97402240.

The previous prime is 199330633. The next prime is 199330669. The reversal of 199330666 is 666033991.

It is not an unprimeable number, because it can be changed into a prime (199330669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94746 + ... + 96826.

It is an arithmetic number, because the mean of its divisors is an integer number (19112760).

Almost surely, 2^199330666 is an apocalyptic number.

199330666 is a deficient number, since it is larger than the sum of its proper divisors (106473494).

199330666 is a wasteful number, since it uses less digits than its factorization.

199330666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 199330666 is about 14118.4512606730. The cubic root of 199330666 is about 584.1504370216.

The spelling of 199330666 in words is "one hundred ninety-nine million, three hundred thirty thousand, six hundred sixty-six".