99718320 has 160 divisors (see below), whose sum is σ = 343977984. Its totient is φ = 23731200.

The previous prime is 99718309. The next prime is 99718391. The reversal of 99718320 is 2381799.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96205 + ... + 97235.

Almost surely, 2^99718320 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 99718320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171988992).

99718320 is an abundant number, since it is smaller than the sum of its proper divisors (244259664).

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

99718320 is a wasteful number, since it uses less digits than its factorization.

99718320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 99718320 is about 9985.9060680541. The cubic root of 99718320 is about 463.7226592716.

The spelling of 99718320 in words is "ninety-nine million, seven hundred eighteen thousand, three hundred twenty".