99184016720 has 80 divisors (see below), whose sum is σ = 236128761792. Its totient is φ = 38724188160.

The previous prime is 99184016681. The next prime is 99184016731. The reversal of 99184016720 is 2761048199.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5395064 + ... + 5413416.

Almost surely, 2^99184016720 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 99184016720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118064380896).

99184016720 is an abundant number, since it is smaller than the sum of its proper divisors (136944745072).

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

99184016720 is a wasteful number, since it uses less digits than its factorization.

99184016720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980 (or 19974 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 99184016720 in words is "ninety-nine billion, one hundred eighty-four million, sixteen thousand, seven hundred twenty".