99566265 has 32 divisors (see below), whose sum is σ = 165252096. Its totient is φ = 51137280.

The previous prime is 99566261. The next prime is 99566281. The reversal of 99566265 is 56266599.

It is not a de Polignac number, because 99566265 - 2² = 99566261 is a prime.

It is a super-2 number, since 2×99566265² = 19826882252100450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99566261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128419 + ... + 129191.

It is an arithmetic number, because the mean of its divisors is an integer number (5164128).

Almost surely, 2^99566265 is an apocalyptic number.

It is an amenable number.

99566265 is a deficient number, since it is larger than the sum of its proper divisors (65685831).

99566265 is a wasteful number, since it uses less digits than its factorization.

99566265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its digits is 874800, while the sum is 48.

The square root of 99566265 is about 9978.2896831070. The cubic root of 99566265 is about 463.4868376126.

The spelling of 99566265 in words is "ninety-nine million, five hundred sixty-six thousand, two hundred sixty-five".