198116383 has 2 divisors, whose sum is σ = 198116384. Its totient is φ = 198116382.

The previous prime is 198116377. The next prime is 198116407. The reversal of 198116383 is 383611891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198116383 - 2²⁵ = 164561951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198116333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99058191 + 99058192.

It is an arithmetic number, because the mean of its divisors is an integer number (99058192).

Almost surely, 2^198116383 is an apocalyptic number.

198116383 is a deficient number, since it is larger than the sum of its proper divisors (1).

198116383 is an equidigital number, since it uses as much as digits as its factorization.

198116383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 198116383 is about 14075.3821617745. The cubic root of 198116383 is about 582.9618438703.

The spelling of 198116383 in words is "one hundred ninety-eight million, one hundred sixteen thousand, three hundred eighty-three".