99566668 has 24 divisors (see below), whose sum is σ = 181206144. Its totient is φ = 47817600.

The previous prime is 99566659. The next prime is 99566693. The reversal of 99566668 is 86666599.

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, 14058 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (7550256).

Almost surely, 2^99566668 is an apocalyptic number.

It is an amenable number.

99566668 is a deficient number, since it is larger than the sum of its proper divisors (81639476).

99566668 is a wasteful number, since it uses less digits than its factorization.

99566668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033 (or 6031 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 99566668 is about 9978.3098769281. The cubic root of 99566668 is about 463.4874629414.

The spelling of 99566668 in words is "ninety-nine million, five hundred sixty-six thousand, six hundred sixty-eight".