99818751472 has 20 divisors (see below), whose sum is σ = 210980543256. Its totient is φ = 45372159680.

The previous prime is 99818751433. The next prime is 99818751493. The reversal of 99818751472 is 27415781899.

It is a self number, because there is not a number n which added to its sum of digits gives 99818751472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283575823 + ... + 283576174.

Almost surely, 2^99818751472 is an apocalyptic number.

It is an amenable number.

99818751472 is an abundant number, since it is smaller than the sum of its proper divisors (111161791784).

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

99818751472 is a wasteful number, since it uses less digits than its factorization.

99818751472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567152016 (or 567152010 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 61.

The spelling of 99818751472 in words is "ninety-nine billion, eight hundred eighteen million, seven hundred fifty-one thousand, four hundred seventy-two".