99393619520 has 112 divisors (see below), whose sum is σ = 256834404288. Its totient is φ = 36418836480.

The previous prime is 99393619511. The next prime is 99393619531. The reversal of 99393619520 is 2591639399.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453767 + ... + 636153.

It is an arithmetic number, because the mean of its divisors is an integer number (2293164324).

Almost surely, 2^99393619520 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 99393619520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128417202144).

99393619520 is an abundant number, since it is smaller than the sum of its proper divisors (157440784768).

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

99393619520 is a wasteful number, since it uses less digits than its factorization.

99393619520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182548 (or 182538 counting only the distinct ones).

The product of its (nonzero) digits is 3542940, while the sum is 56.

The spelling of 99393619520 in words is "ninety-nine billion, three hundred ninety-three million, six hundred nineteen thousand, five hundred twenty".