99966698 has 16 divisors (see below), whose sum is σ = 170984520. Its totient is φ = 43424256.

The previous prime is 99966673. The next prime is 99966703. The reversal of 99966698 is 89666999.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61984129 + 37982569 = 7873^2 + 6163^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99966698.

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, 112643 + ... + 113526.

Almost surely, 2^99966698 is an apocalyptic number.

99966698 is a deficient number, since it is larger than the sum of its proper divisors (71017822).

99966698 is a wasteful number, since it uses less digits than its factorization.

99966698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226201.

The product of its digits is 11337408, while the sum is 62.

The square root of 99966698 is about 9998.3347613490. The cubic root of 99966698 is about 464.1073529102.

The spelling of 99966698 in words is "ninety-nine million, nine hundred sixty-six thousand, six hundred ninety-eight".