99618192 has 120 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 31618560.

The previous prime is 99618187. The next prime is 99618193. The reversal of 99618192 is 29181699.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (99618193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277309 + ... + 277667.

It is an arithmetic number, because the mean of its divisors is an integer number (2437344).

Almost surely, 2^99618192 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 99618192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

99618192 is an abundant number, since it is smaller than the sum of its proper divisors (192863088).

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

99618192 is a wasteful number, since it uses less digits than its factorization.

99618192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 452 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 99618192 is about 9980.8913429613. The cubic root of 99618192 is about 463.5673980254.

The spelling of 99618192 in words is "ninety-nine million, six hundred eighteen thousand, one hundred ninety-two".