99636591376 has 360 divisors, whose sum is σ = 248337063744. Its totient is φ = 38559628800.

The previous prime is 99636591367. The next prime is 99636591389. The reversal of 99636591376 is 67319563699.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 659844901 + ... + 659845051.

Almost surely, 2^99636591376 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 99636591376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124168531872).

99636591376 is an abundant number, since it is smaller than the sum of its proper divisors (148700472368).

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

99636591376 is a wasteful number, since it uses less digits than its factorization.

99636591376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 263 counting only the distinct ones).

The product of its digits is 49601160, while the sum is 64.

The spelling of 99636591376 in words is "ninety-nine billion, six hundred thirty-six million, five hundred ninety-one thousand, three hundred seventy-six".