99716508 has 72 divisors (see below), whose sum is σ = 263351088. Its totient is φ = 32990976.

The previous prime is 99716501. The next prime is 99716521. The reversal of 99716508 is 80561799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99716501) 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, 167860 + ... + 168452.

It is an arithmetic number, because the mean of its divisors is an integer number (3657654).

Almost surely, 2^99716508 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 99716508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131675544).

99716508 is an abundant number, since it is smaller than the sum of its proper divisors (163634580).

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

99716508 is a wasteful number, since it uses less digits than its factorization.

99716508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 99716508 is about 9985.8153397707. The cubic root of 99716508 is about 463.7198504580.

The spelling of 99716508 in words is "ninety-nine million, seven hundred sixteen thousand, five hundred eight".