99381528896 has 168 divisors, whose sum is σ = 238017588480. Its totient is φ = 40896700416.

The previous prime is 99381528817. The next prime is 99381529003. The reversal of 99381528896 is 69882518399.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3479345 + ... + 3507791.

It is an arithmetic number, because the mean of its divisors is an integer number (1416771360).

Almost surely, 2^99381528896 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 99381528896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119008794240).

99381528896 is an abundant number, since it is smaller than the sum of its proper divisors (138636059584).

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

99381528896 is a wasteful number, since it uses less digits than its factorization.

99381528896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521 (or 28498 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 68.

The spelling of 99381528896 in words is "ninety-nine billion, three hundred eighty-one million, five hundred twenty-eight thousand, eight hundred ninety-six".