16408199 has 2 divisors, whose sum is σ = 16408200. Its totient is φ = 16408198.

The previous prime is 16408181. The next prime is 16408201. The reversal of 16408199 is 99180461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16408199 - 2⁸ = 16407943 is a prime.

Together with 16408201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16408169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8204099 + 8204100.

It is an arithmetic number, because the mean of its divisors is an integer number (8204100).

Almost surely, 2^16408199 is an apocalyptic number.

16408199 is a deficient number, since it is larger than the sum of its proper divisors (1).

16408199 is an equidigital number, since it uses as much as digits as its factorization.

16408199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 16408199 is about 4050.7035191433. The cubic root of 16408199 is about 254.1091508066.

The spelling of 16408199 in words is "sixteen million, four hundred eight thousand, one hundred ninety-nine".