163995199 has 2 divisors, whose sum is σ = 163995200. Its totient is φ = 163995198.

The previous prime is 163995191. The next prime is 163995217. The reversal of 163995199 is 991599361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163995199 - 2³ = 163995191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163995191) 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 as a sum of consecutive naturals, namely, 81997599 + 81997600.

It is an arithmetic number, because the mean of its divisors is an integer number (81997600).

Almost surely, 2^163995199 is an apocalyptic number.

163995199 is a deficient number, since it is larger than the sum of its proper divisors (1).

163995199 is an equidigital number, since it uses as much as digits as its factorization.

163995199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 590490, while the sum is 52.

The square root of 163995199 is about 12806.0610259361. The cubic root of 163995199 is about 547.3650261165.

The spelling of 163995199 in words is "one hundred sixty-three million, nine hundred ninety-five thousand, one hundred ninety-nine".