330663665 has 8 divisors (see below), whose sum is σ = 397110120. Its totient is φ = 264321792.

The previous prime is 330663643. The next prime is 330663667. The reversal of 330663665 is 566366033.

It can be written as a sum of positive squares in 4 ways, for example, as 138203536 + 192460129 = 11756^2 + 13873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330663665 - 2⁶ = 330663601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330663667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19010 + ... + 31979.

It is an arithmetic number, because the mean of its divisors is an integer number (49638765).

Almost surely, 2^330663665 is an apocalyptic number.

It is an amenable number.

330663665 is a deficient number, since it is larger than the sum of its proper divisors (66446455).

330663665 is a wasteful number, since it uses less digits than its factorization.

330663665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52291.

The product of its (nonzero) digits is 174960, while the sum is 38.

The square root of 330663665 is about 18184.1597276311. The cubic root of 330663665 is about 691.5052659319.

The spelling of 330663665 in words is "three hundred thirty million, six hundred sixty-three thousand, six hundred sixty-five".