99519937992832 has 512 divisors, whose sum is σ = 240083585280000. Its totient is φ = 40212934852608.

The previous prime is 99519937992751. The next prime is 99519937992847. The reversal of 99519937992832 is 23829973991599.

It is a self number, because there is not a number n which added to its sum of digits gives 99519937992832.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32640188044 + ... + 32640191092.

It is an arithmetic number, because the mean of its divisors is an integer number (468913252500).

Almost surely, 2^{99519937992832} 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 99519937992832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120041792640000).

99519937992832 is an abundant number, since it is smaller than the sum of its proper divisors (140563647287168).

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

99519937992832 is a wasteful number, since it uses less digits than its factorization.

99519937992832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3416 counting only the distinct ones).

The product of its digits is 5356925280, while the sum is 85.

The spelling of 99519937992832 in words is "ninety-nine trillion, five hundred nineteen billion, nine hundred thirty-seven million, nine hundred ninety-two thousand, eight hundred thirty-two".