99456666 has 16 divisors (see below), whose sum is σ = 204289824. Its totient is φ = 32256144.

The previous prime is 99456593. The next prime is 99456667. The reversal of 99456666 is 66665499.

It is not an unprimeable number, because it can be changed into a prime (99456667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223780 + ... + 224223.

It is an arithmetic number, because the mean of its divisors is an integer number (12768114).

Almost surely, 2^99456666 is an apocalyptic number.

99456666 is an abundant number, since it is smaller than the sum of its proper divisors (104833158).

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

99456666 is a wasteful number, since it uses less digits than its factorization.

99456666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448045.

The product of its digits is 2099520, while the sum is 51.

The square root of 99456666 is about 9972.7962979297. The cubic root of 99456666 is about 463.3167119042.

The spelling of 99456666 in words is "ninety-nine million, four hundred fifty-six thousand, six hundred sixty-six".