99311616 has 112 divisors (see below), whose sum is σ = 294894000. Its totient is φ = 33030144.

The previous prime is 99311593. The next prime is 99311627. The reversal of 99311616 is 61611399.

99311616 is a `hidden beast` number, since 9 + 9 + 31 + 1 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220960 + ... + 221408.

Almost surely, 2^99311616 is an apocalyptic number.

99311616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99311616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147447000).

99311616 is an abundant number, since it is smaller than the sum of its proper divisors (195582384).

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

99311616 is an equidigital number, since it uses as much as digits as its factorization.

99311616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 454 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 99311616 is about 9965.5213611732. The cubic root of 99311616 is about 463.0913648965.

The spelling of 99311616 in words is "ninety-nine million, three hundred eleven thousand, six hundred sixteen".