99609163 has 2 divisors, whose sum is σ = 99609164. Its totient is φ = 99609162.

The previous prime is 99609151. The next prime is 99609173. The reversal of 99609163 is 36190699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99609163 - 2²¹ = 97512011 is a prime.

It is not a weakly prime, because it can be changed into another prime (99609173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49804581 + 49804582.

It is an arithmetic number, because the mean of its divisors is an integer number (49804582).

Almost surely, 2^99609163 is an apocalyptic number.

99609163 is a deficient number, since it is larger than the sum of its proper divisors (1).

99609163 is an equidigital number, since it uses as much as digits as its factorization.

99609163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 99609163 is about 9980.4390183999. The cubic root of 99609163 is about 463.5533922955.

The spelling of 99609163 in words is "ninety-nine million, six hundred nine thousand, one hundred sixty-three".