99955874553408 has 224 divisors, whose sum is σ = 300559706524800. Its totient is φ = 32564567734272.

The previous prime is 99955874553383. The next prime is 99955874553421. The reversal of 99955874553408 is 80435547855999.

99955874553408 is a `hidden beast` number, since 9 + 9 + 9 + 5 + 5 + 8 + 74 + 5 + 534 + 0 + 8 = 666.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14804110 + ... + 20471282.

Almost surely, 2^{99955874553408} 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 99955874553408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150279853262400).

99955874553408 is an abundant number, since it is smaller than the sum of its proper divisors (200603831971392).

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

99955874553408 is a wasteful number, since it uses less digits than its factorization.

99955874553408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667426 (or 5667410 counting only the distinct ones).

The product of its (nonzero) digits is 9797760000, while the sum is 81.

The spelling of 99955874553408 in words is "ninety-nine trillion, nine hundred fifty-five billion, eight hundred seventy-four million, five hundred fifty-three thousand, four hundred eight".