99456665 has 16 divisors (see below), whose sum is σ = 148798080. Its totient is φ = 61998720.

The previous prime is 99456593. The next prime is 99456667. The reversal of 99456665 is 56665499.

It is a de Polignac number, because none of the positive numbers 2^k-99456665 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99456667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128780 + ... + 129549.

It is an arithmetic number, because the mean of its divisors is an integer number (9299880).

Almost surely, 2^99456665 is an apocalyptic number.

It is an amenable number.

99456665 is a deficient number, since it is larger than the sum of its proper divisors (49341415).

99456665 is a wasteful number, since it uses less digits than its factorization.

99456665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258352.

The product of its digits is 1749600, while the sum is 50.

The square root of 99456665 is about 9972.7962477933. The cubic root of 99456665 is about 463.3167103514.

The spelling of 99456665 in words is "ninety-nine million, four hundred fifty-six thousand, six hundred sixty-five".