663233065 has 24 divisors (see below), whose sum is σ = 903055104. Its totient is φ = 466778400.

The previous prime is 663233033. The next prime is 663233069. The reversal of 663233065 is 560332366.

It is not a de Polignac number, because 663233065 - 2⁵ = 663233033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663233065.

It is not an unprimeable number, because it can be changed into a prime (663233069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074 + ... + 36436.

It is an arithmetic number, because the mean of its divisors is an integer number (37627296).

Almost surely, 2^663233065 is an apocalyptic number.

It is an amenable number.

663233065 is a deficient number, since it is larger than the sum of its proper divisors (239822039).

663233065 is a wasteful number, since it uses less digits than its factorization.

663233065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35421 (or 35410 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 663233065 is about 25753.3117287855. The cubic root of 663233065 is about 872.0781188782.

The spelling of 663233065 in words is "six hundred sixty-three million, two hundred thirty-three thousand, sixty-five".