99598197185 has 16 divisors (see below), whose sum is σ = 120166546896. Its totient is φ = 79246368768.

The previous prime is 99598197169. The next prime is 99598197241. The reversal of 99598197185 is 58179189599.

It can be written as a sum of positive squares in 8 ways, for example, as 46011966016 + 53586231169 = 214504^2 + 231487^2 .

It is a cyclic number.

It is not a de Polignac number, because 99598197185 - 2⁴ = 99598197169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3073829 + ... + 3106061.

It is an arithmetic number, because the mean of its divisors is an integer number (7510409181).

Almost surely, 2^99598197185 is an apocalyptic number.

It is an amenable number.

99598197185 is a deficient number, since it is larger than the sum of its proper divisors (20568349711).

99598197185 is a wasteful number, since it uses less digits than its factorization.

99598197185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35572.

The product of its digits is 73483200, while the sum is 71.

The spelling of 99598197185 in words is "ninety-nine billion, five hundred ninety-eight million, one hundred ninety-seven thousand, one hundred eighty-five".