99666596 has 12 divisors (see below), whose sum is σ = 174532848. Its totient is φ = 49800072.

The previous prime is 99666577. The next prime is 99666601. The reversal of 99666596 is 69566699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806 + ... + 14141.

It is an arithmetic number, because the mean of its divisors is an integer number (14544404).

Almost surely, 2^99666596 is an apocalyptic number.

It is an amenable number.

99666596 is a deficient number, since it is larger than the sum of its proper divisors (74866252).

99666596 is a wasteful number, since it uses less digits than its factorization.

99666596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618 (or 16616 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 56.

The square root of 99666596 is about 9983.3158820103. The cubic root of 99666596 is about 463.6424675906.

The spelling of 99666596 in words is "ninety-nine million, six hundred sixty-six thousand, five hundred ninety-six".