99618366 has 8 divisors (see below), whose sum is σ = 199236744. Its totient is φ = 33206120.

The previous prime is 99618361. The next prime is 99618367. The reversal of 99618366 is 66381699.

It is a sphenic number, since it is the product of 3 distinct primes.

99618366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99618361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8301525 + ... + 8301536.

It is an arithmetic number, because the mean of its divisors is an integer number (24904593).

Almost surely, 2^99618366 is an apocalyptic number.

99618366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99618366 is a wasteful number, since it uses less digits than its factorization.

99618366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603066.

The product of its digits is 419904, while the sum is 48.

The square root of 99618366 is about 9980.9000596139. The cubic root of 99618366 is about 463.5676679249.

The spelling of 99618366 in words is "ninety-nine million, six hundred eighteen thousand, three hundred sixty-six".