1608198199 has 2 divisors, whose sum is σ = 1608198200. Its totient is φ = 1608198198.

The previous prime is 1608198197. The next prime is 1608198307. The reversal of 1608198199 is 9918918061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1608198199 - 2¹ = 1608198197 is a prime.

Together with 1608198197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1608198197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804099099 + 804099100.

It is an arithmetic number, because the mean of its divisors is an integer number (804099100).

Almost surely, 2^1608198199 is an apocalyptic number.

1608198199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608198199 is an equidigital number, since it uses as much as digits as its factorization.

1608198199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 52.

The square root of 1608198199 is about 40102.3465522904. The cubic root of 1608198199 is about 1171.6013330204.

The spelling of 1608198199 in words is "one billion, six hundred eight million, one hundred ninety-eight thousand, one hundred ninety-nine".