99190394688 has 504 divisors, whose sum is σ = 344934218944. Its totient is φ = 24622202880.

The previous prime is 99190394669. The next prime is 99190394701. The reversal of 99190394688 is 88649309199.

It is a super-2 number, since 2×99190394688² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 86027520 + ... + 86028672.

Almost surely, 2^99190394688 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 99190394688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172467109472).

99190394688 is an abundant number, since it is smaller than the sum of its proper divisors (245743824256).

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

99190394688 is a wasteful number, since it uses less digits than its factorization.

99190394688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 99190394688 in words is "ninety-nine billion, one hundred ninety million, three hundred ninety-four thousand, six hundred eighty-eight".