99904163 has 2 divisors, whose sum is σ = 99904164. Its totient is φ = 99904162.

The previous prime is 99904139. The next prime is 99904183. The reversal of 99904163 is 36140999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99904163 - 2⁸ = 99903907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99904163.

It is not a weakly prime, because it can be changed into another prime (99904183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49952081 + 49952082.

It is an arithmetic number, because the mean of its divisors is an integer number (49952082).

Almost surely, 2^99904163 is an apocalyptic number.

99904163 is a deficient number, since it is larger than the sum of its proper divisors (1).

99904163 is an equidigital number, since it uses as much as digits as its factorization.

99904163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 99904163 is about 9995.2070013582. The cubic root of 99904163 is about 464.0105573178.

The spelling of 99904163 in words is "ninety-nine million, nine hundred four thousand, one hundred sixty-three".