99724163 has 16 divisors (see below), whose sum is σ = 126873600. Its totient is φ = 77704200.

The previous prime is 99724151. The next prime is 99724169. The reversal of 99724163 is 36142799.

It is not a de Polignac number, because 99724163 - 2⁶ = 99724099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99724163.

It is not an unprimeable number, because it can be changed into a prime (99724169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9443 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (7929600).

Almost surely, 2^99724163 is an apocalyptic number.

99724163 is a deficient number, since it is larger than the sum of its proper divisors (27149437).

99724163 is a wasteful number, since it uses less digits than its factorization.

99724163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26463 (or 26449 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 99724163 is about 9986.1986261039. The cubic root of 99724163 is about 463.7317163790.

The spelling of 99724163 in words is "ninety-nine million, seven hundred twenty-four thousand, one hundred sixty-three".