99319323616 has 48 divisors (see below), whose sum is σ = 200913129648. Its totient is φ = 48303360000.

The previous prime is 99319323611. The next prime is 99319323617. The reversal of 99319323616 is 61632391399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99319323611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181866 + ... + 481366.

It is an arithmetic number, because the mean of its divisors is an integer number (4185690201).

Almost surely, 2^99319323616 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 99319323616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100456564824).

99319323616 is an abundant number, since it is smaller than the sum of its proper divisors (101593806032).

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

99319323616 is a wasteful number, since it uses less digits than its factorization.

99319323616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299795 (or 299787 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 52.

The spelling of 99319323616 in words is "ninety-nine billion, three hundred nineteen million, three hundred twenty-three thousand, six hundred sixteen".