99499190880 has 96 divisors (see below), whose sum is σ = 329918400000. Its totient is φ = 25136635392.

The previous prime is 99499190873. The next prime is 99499190927. The reversal of 99499190880 is 8809199499.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445880 + ... + 5464119.

It is an arithmetic number, because the mean of its divisors is an integer number (3436650000).

Almost surely, 2^99499190880 is an apocalyptic number.

It is an amenable number.

99499190880 is an abundant number, since it is smaller than the sum of its proper divisors (230419209120).

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

99499190880 is a wasteful number, since it uses less digits than its factorization.

99499190880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910036 (or 10910028 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 66.

The spelling of 99499190880 in words is "ninety-nine billion, four hundred ninety-nine million, one hundred ninety thousand, eight hundred eighty".