99318199 has 4 divisors (see below), whose sum is σ = 105160464. Its totient is φ = 93475936.

The previous prime is 99318173. The next prime is 99318211. The reversal of 99318199 is 99181399.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99318199 - 2²⁵ = 65763767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99318119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921107 + ... + 2921140.

It is an arithmetic number, because the mean of its divisors is an integer number (26290116).

Almost surely, 2^99318199 is an apocalyptic number.

99318199 is a deficient number, since it is larger than the sum of its proper divisors (5842265).

99318199 is a wasteful number, since it uses less digits than its factorization.

99318199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842264.

The product of its digits is 157464, while the sum is 49.

The square root of 99318199 is about 9965.8516444908. The cubic root of 99318199 is about 463.1015968755.

The spelling of 99318199 in words is "ninety-nine million, three hundred eighteen thousand, one hundred ninety-nine".