204166199 has 2 divisors, whose sum is σ = 204166200. Its totient is φ = 204166198.

The previous prime is 204166159. The next prime is 204166211. The reversal of 204166199 is 991661402.

204166199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204166199 - 2⁸ = 204165943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204166159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102083099 + 102083100.

It is an arithmetic number, because the mean of its divisors is an integer number (102083100).

Almost surely, 2^204166199 is an apocalyptic number.

204166199 is a deficient number, since it is larger than the sum of its proper divisors (1).

204166199 is an equidigital number, since it uses as much as digits as its factorization.

204166199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 204166199 is about 14288.6738013015. The cubic root of 204166199 is about 588.8363534097.

The spelling of 204166199 in words is "two hundred four million, one hundred sixty-six thousand, one hundred ninety-nine".