99168872 has 32 divisors (see below), whose sum is σ = 207169920. Its totient is φ = 44115840.

The previous prime is 99168869. The next prime is 99168877. The reversal of 99168872 is 27886199.

It is a self number, because there is not a number n which added to its sum of digits gives 99168872.

It is not an unprimeable number, because it can be changed into a prime (99168877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7853 + ... + 16124.

It is an arithmetic number, because the mean of its divisors is an integer number (6474060).

Almost surely, 2^99168872 is an apocalyptic number.

It is an amenable number.

99168872 is an abundant number, since it is smaller than the sum of its proper divisors (108001048).

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

99168872 is a wasteful number, since it uses less digits than its factorization.

99168872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24041 (or 24037 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 99168872 is about 9958.3568925802. The cubic root of 99168872 is about 462.8693861300.

The spelling of 99168872 in words is "ninety-nine million, one hundred sixty-eight thousand, eight hundred seventy-two".