99000666 has 24 divisors (see below), whose sum is σ = 215946900. Its totient is φ = 32777856.

The previous prime is 99000653. The next prime is 99000683. The reversal of 99000666 is 66600099.

It can be written as a sum of positive squares in 2 ways, for example, as 97121025 + 1879641 = 9855^2 + 1371^2 .

It is a super-2 number, since 2×99000666² = 19602263736887112, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99000666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15775 + ... + 21138.

Almost surely, 2^99000666 is an apocalyptic number.

99000666 is an abundant number, since it is smaller than the sum of its proper divisors (116946234).

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

99000666 is a wasteful number, since it uses less digits than its factorization.

99000666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37070 (or 37067 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 99000666 is about 9949.9078387692. The cubic root of 99000666 is about 462.6075382760.

The spelling of 99000666 in words is "ninety-nine million, six hundred sixty-six", and thus it is an aban number.