99870168 has 16 divisors (see below), whose sum is σ = 249675480. Its totient is φ = 33290048.

The previous prime is 99870167. The next prime is 99870181. The reversal of 99870168 is 86107899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99870167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2080605 + ... + 2080652.

Almost surely, 2^99870168 is an apocalyptic number.

It is an amenable number.

99870168 is an abundant number, since it is smaller than the sum of its proper divisors (149805312).

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

99870168 is a wasteful number, since it uses less digits than its factorization.

99870168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161266 (or 4161262 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 99870168 is about 9993.5062915876. The cubic root of 99870168 is about 463.9579207778.

The spelling of 99870168 in words is "ninety-nine million, eight hundred seventy thousand, one hundred sixty-eight".