199000663 has 2 divisors, whose sum is σ = 199000664. Its totient is φ = 199000662.

The previous prime is 199000651. The next prime is 199000667. The reversal of 199000663 is 366000991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199000663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199000667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99500331 + 99500332.

It is an arithmetic number, because the mean of its divisors is an integer number (99500332).

Almost surely, 2^199000663 is an apocalyptic number.

199000663 is a deficient number, since it is larger than the sum of its proper divisors (1).

199000663 is an equidigital number, since it uses as much as digits as its factorization.

199000663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 199000663 is about 14106.7594790583. The cubic root of 199000663 is about 583.8278944516.

The spelling of 199000663 in words is "one hundred ninety-nine million, six hundred sixty-three", and thus it is an aban number.