99505158 has 16 divisors (see below), whose sum is σ = 199224576. Its totient is φ = 33132680.

The previous prime is 99505141. The next prime is 99505163. The reversal of 99505158 is 85150599.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 2538 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (12451536).

Almost surely, 2^99505158 is an apocalyptic number.

99505158 is an abundant number, since it is smaller than the sum of its proper divisors (99719418).

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

99505158 is a wasteful number, since it uses less digits than its factorization.

99505158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17859.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 99505158 is about 9975.2272154573. The cubic root of 99505158 is about 463.3919993115.

The spelling of 99505158 in words is "ninety-nine million, five hundred five thousand, one hundred fifty-eight".