99588999636 has 288 divisors, whose sum is σ = 305091360000. Its totient is φ = 28007755776.

The previous prime is 99588999619. The next prime is 99588999647. The reversal of 99588999636 is 63699988599.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 166258465 + ... + 166259063.

It is an arithmetic number, because the mean of its divisors is an integer number (1059345000).

Almost surely, 2^99588999636 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 99588999636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152545680000).

99588999636 is an abundant number, since it is smaller than the sum of its proper divisors (205502360364).

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

99588999636 is a wasteful number, since it uses less digits than its factorization.

99588999636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1053 counting only the distinct ones).

The product of its digits is 2040733440, while the sum is 81.

The spelling of 99588999636 in words is "ninety-nine billion, five hundred eighty-eight million, nine hundred ninety-nine thousand, six hundred thirty-six".