999246163 has 2 divisors, whose sum is σ = 999246164. Its totient is φ = 999246162.

The previous prime is 999246133. The next prime is 999246167. The reversal of 999246163 is 361642999.

It is a strong prime.

It is an emirp because it is prime and its reverse (361642999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999246163 - 2⁹ = 999245651 is a prime.

It is not a weakly prime, because it can be changed into another prime (999246167) 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, 499623081 + 499623082.

It is an arithmetic number, because the mean of its divisors is an integer number (499623082).

Almost surely, 2^999246163 is an apocalyptic number.

999246163 is a deficient number, since it is larger than the sum of its proper divisors (1).

999246163 is an equidigital number, since it uses as much as digits as its factorization.

999246163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 999246163 is about 31610.8551450289. The cubic root of 999246163 is about 999.7486578324.

The spelling of 999246163 in words is "nine hundred ninety-nine million, two hundred forty-six thousand, one hundred sixty-three".