99716500 has 144 divisors (see below), whose sum is σ = 253627920. Its totient is φ = 34003200.

The previous prime is 99716489. The next prime is 99716501. The reversal of 99716500 is 561799.

It can be written as a sum of positive squares in 8 ways, for example, as 50183056 + 49533444 = 7084^2 + 7038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99716500.

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 47 ways as a sum of consecutive naturals, for example, 3438486 + ... + 3438514.

It is an arithmetic number, because the mean of its divisors is an integer number (1761305).

Almost surely, 2^99716500 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 99716500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126813960).

99716500 is an abundant number, since it is smaller than the sum of its proper divisors (153911420).

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

99716500 is a wasteful number, since it uses less digits than its factorization.

99716500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 99716500 is about 9985.8149392025. The cubic root of 99716500 is about 463.7198380569.

It can be divided in two parts, 9971 and 6500, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 99716500 in words is "ninety-nine million, seven hundred sixteen thousand, five hundred".