99666700 has 36 divisors (see below), whose sum is σ = 247175152. Its totient is φ = 34171200.

The previous prime is 99666667. The next prime is 99666709. The reversal of 99666700 is 766699.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99666709) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 70491 + ... + 71890.

Almost surely, 2^99666700 is an apocalyptic number.

It is an amenable number.

99666700 is an abundant number, since it is smaller than the sum of its proper divisors (147508452).

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

99666700 is a wasteful number, since it uses less digits than its factorization.

99666700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142402 (or 142395 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 99666700 is about 9983.3210906992. The cubic root of 99666700 is about 463.6426288576.

The spelling of 99666700 in words is "ninety-nine million, six hundred sixty-six thousand, seven hundred".