99966912 has 56 divisors (see below), whose sum is σ = 265547856. Its totient is φ = 33189888.

The previous prime is 99966899. The next prime is 99966929. The reversal of 99966912 is 21966999.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55368 + ... + 57144.

It is an arithmetic number, because the mean of its divisors is an integer number (4741926).

Almost surely, 2^99966912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99966912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132773928).

99966912 is an abundant number, since it is smaller than the sum of its proper divisors (165580944).

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

99966912 is a wasteful number, since it uses less digits than its factorization.

99966912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2075 counting only the distinct ones).

The product of its digits is 472392, while the sum is 51.

The square root of 99966912 is about 9998.3454631254. The cubic root of 99966912 is about 464.1076840835.

The spelling of 99966912 in words is "ninety-nine million, nine hundred sixty-six thousand, nine hundred twelve".