99000665 has 16 divisors (see below), whose sum is σ = 120469440. Its totient is φ = 78096960.

The previous prime is 99000653. The next prime is 99000683. The reversal of 99000665 is 56600099.

It is not a de Polignac number, because 99000665 - 2¹⁶ = 98935129 is a prime.

It is a super-2 number, since 2×99000665² = 19602263340884450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125402 + ... + 126188.

It is an arithmetic number, because the mean of its divisors is an integer number (7529340).

Almost surely, 2^99000665 is an apocalyptic number.

It is an amenable number.

99000665 is a deficient number, since it is larger than the sum of its proper divisors (21468775).

99000665 is a wasteful number, since it uses less digits than its factorization.

99000665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 99000665 is about 9949.9077885174. The cubic root of 99000665 is about 462.6075367184.

The spelling of 99000665 in words is "ninety-nine million, six hundred sixty-five", and thus it is an aban number.