99633087072 has 144 divisors (see below), whose sum is σ = 309290304960. Its totient is φ = 31463033472.

The previous prime is 99633087049. The next prime is 99633087083. The reversal of 99633087072 is 27078033699.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 189438 + ... + 484925.

It is an arithmetic number, because the mean of its divisors is an integer number (2147849340).

Almost surely, 2^99633087072 is an apocalyptic number.

It is an amenable number.

99633087072 is an abundant number, since it is smaller than the sum of its proper divisors (209657217888).

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

99633087072 is a wasteful number, since it uses less digits than its factorization.

99633087072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674407 (or 674387 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 99633087072 in words is "ninety-nine billion, six hundred thirty-three million, eighty-seven thousand, seventy-two".