99915542468 has 24 divisors (see below), whose sum is σ = 200128048512. Its totient is φ = 42757311744.

The previous prime is 99915542449. The next prime is 99915542471. The reversal of 99915542468 is 86424551999.

It is a super-3 number, since 3×99915542468³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99915542468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632280 + ... + 2669967.

It is an arithmetic number, because the mean of its divisors is an integer number (8338668688).

Almost surely, 2^99915542468 is an apocalyptic number.

It is an amenable number.

99915542468 is an abundant number, since it is smaller than the sum of its proper divisors (100212506044).

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

99915542468 is a wasteful number, since it uses less digits than its factorization.

99915542468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302931 (or 5302929 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 62.

The spelling of 99915542468 in words is "ninety-nine billion, nine hundred fifteen million, five hundred forty-two thousand, four hundred sixty-eight".