99880166419440 has 320 divisors, whose sum is σ = 363832265244672. Its totient is φ = 22413501158400.

The previous prime is 99880166419433. The next prime is 99880166419483. The reversal of 99880166419440 is 4491466108899.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24648814 + ... + 28413453.

Almost surely, 2^{99880166419440} is an apocalyptic number.

It is an amenable number.

99880166419440 is an abundant number, since it is smaller than the sum of its proper divisors (263952098825232).

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

99880166419440 is a wasteful number, since it uses less digits than its factorization.

99880166419440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53062348 (or 53062342 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 69.

The spelling of 99880166419440 in words is "ninety-nine trillion, eight hundred eighty billion, one hundred sixty-six million, four hundred nineteen thousand, four hundred forty".