99637287160320 has 2880 divisors, whose sum is σ = 461918171594880. Its totient is φ = 19615000559616.

The previous prime is 99637287160291. The next prime is 99637287160331. The reversal of 99637287160320 is 2306178273699.

99637287160320 is a `hidden beast` number, since 9 + 9 + 6 + 3 + 72 + 87 + 160 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 18683156374 + ... + 18683161706.

It is an arithmetic number, because the mean of its divisors is an integer number (160388254026).

Almost surely, 2^{99637287160320} is an apocalyptic number.

99637287160320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99637287160320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230959085797440).

99637287160320 is an abundant number, since it is smaller than the sum of its proper divisors (362280884434560).

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

99637287160320 is a wasteful number, since it uses less digits than its factorization.

99637287160320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 99637287160320 in words is "ninety-nine trillion, six hundred thirty-seven billion, two hundred eighty-seven million, one hundred sixty thousand, three hundred twenty".