99321163 has 2 divisors, whose sum is σ = 99321164. Its totient is φ = 99321162.

The previous prime is 99321121. The next prime is 99321169. The reversal of 99321163 is 36112399.

It is a strong prime.

It is an emirp because it is prime and its reverse (36112399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99321163 - 2⁹ = 99320651 is a prime.

It is not a weakly prime, because it can be changed into another prime (99321169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49660581 + 49660582.

It is an arithmetic number, because the mean of its divisors is an integer number (49660582).

Almost surely, 2^99321163 is an apocalyptic number.

99321163 is a deficient number, since it is larger than the sum of its proper divisors (1).

99321163 is an equidigital number, since it uses as much as digits as its factorization.

99321163 is an odious number, because the sum of its binary digits is odd.

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

The square root of 99321163 is about 9966.0003511941. Note that the first 3 decimals coincide. The cubic root of 99321163 is about 463.1062036830.

The spelling of 99321163 in words is "ninety-nine million, three hundred twenty-one thousand, one hundred sixty-three".