99559016375400 has 576 divisors, whose sum is σ = 348886155571200. Its totient is φ = 25414110720000.

The previous prime is 99559016375383. The next prime is 99559016375419. The reversal of 99559016375400 is 457361095599.

99559016375400 is a `hidden beast` number, since 9 + 9 + 5 + 59 + 0 + 1 + 6 + 37 + 540 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6362810377 + ... + 6362826023.

It is an arithmetic number, because the mean of its divisors is an integer number (605705131200).

Almost surely, 2^{99559016375400} is an apocalyptic number.

99559016375400 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 99559016375400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174443077785600).

99559016375400 is an abundant number, since it is smaller than the sum of its proper divisors (249327139195800).

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

99559016375400 is a wasteful number, since it uses less digits than its factorization.

99559016375400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16930 (or 16918 counting only the distinct ones).

The product of its (nonzero) digits is 45927000, while the sum is 63.

The spelling of 99559016375400 in words is "ninety-nine trillion, five hundred fifty-nine billion, sixteen million, three hundred seventy-five thousand, four hundred".