99218417199 has 24 divisors (see below), whose sum is σ = 150425202480. Its totient is φ = 58058837760.

The previous prime is 99218417197. The next prime is 99218417203. The reversal of 99218417199 is 99171481299.

It is not a de Polignac number, because 99218417199 - 2¹ = 99218417197 is a prime.

It is a super-2 number, since 2×99218417199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99218417197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4702042 + ... + 4723095.

It is an arithmetic number, because the mean of its divisors is an integer number (6267716770).

Almost surely, 2^99218417199 is an apocalyptic number.

99218417199 is a deficient number, since it is larger than the sum of its proper divisors (51206785281).

99218417199 is a wasteful number, since it uses less digits than its factorization.

99218417199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425191 (or 9425180 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 60.

The spelling of 99218417199 in words is "ninety-nine billion, two hundred eighteen million, four hundred seventeen thousand, one hundred ninety-nine".