99166505984 has 88 divisors (see below), whose sum is σ = 243983207328. Its totient is φ = 39230668800.

The previous prime is 99166505929. The next prime is 99166505989. The reversal of 99166505984 is 48950566199.

It is a happy number.

99166505984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (99166505989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438917 + ... + 625284.

Almost surely, 2^99166505984 is an apocalyptic number.

It is an amenable number.

99166505984 is an abundant number, since it is smaller than the sum of its proper divisors (144816701344).

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

99166505984 is a wasteful number, since it uses less digits than its factorization.

99166505984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064241 (or 1064223 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 99166505984 in words is "ninety-nine billion, one hundred sixty-six million, five hundred five thousand, nine hundred eighty-four".