99999168 has 56 divisors (see below), whose sum is σ = 280153872. Its totient is φ = 31371264.

The previous prime is 99999167. The next prime is 99999187. The reversal of 99999168 is 86199999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999167) 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, 12055 + ... + 18582.

Almost surely, 2^99999168 is an apocalyptic number.

It is an amenable number.

99999168 is an abundant number, since it is smaller than the sum of its proper divisors (180154704).

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

99999168 is a wasteful number, since it uses less digits than its factorization.

99999168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30669 (or 30659 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 60.

The square root of 99999168 is about 9999.9583999135. The cubic root of 99999168 is about 464.1575960904.

The spelling of 99999168 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred sixty-eight".