99118320 has 160 divisors (see below), whose sum is σ = 359976960. Its totient is φ = 22087680.

The previous prime is 99118309. The next prime is 99118337. The reversal of 99118320 is 2381199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68161 + ... + 69599.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 2^99118320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99118320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179988480).

99118320 is an abundant number, since it is smaller than the sum of its proper divisors (260858640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99118320 is a wasteful number, since it uses less digits than its factorization.

99118320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 99118320 is about 9955.8183993080. The cubic root of 99118320 is about 462.7907225004.

The spelling of 99118320 in words is "ninety-nine million, one hundred eighteen thousand, three hundred twenty".