99032018100 has 72 divisors (see below), whose sum is σ = 286918927680. Its totient is φ = 26372935680.

The previous prime is 99032018087. The next prime is 99032018149. The reversal of 99032018100 is 181023099.

It is a super-2 number, since 2×99032018100² (a number of 23 digits) contains 22 as substring.

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, 756 + ... + 445044.

Almost surely, 2^99032018100 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 99032018100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143459463840).

99032018100 is an abundant number, since it is smaller than the sum of its proper divisors (187886909580).

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

99032018100 is a wasteful number, since it uses less digits than its factorization.

99032018100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445049 (or 445042 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 99032018100 in words is "ninety-nine billion, thirty-two million, eighteen thousand, one hundred".