330668532 has 18 divisors (see below), whose sum is σ = 835856658. Its totient is φ = 110222832.

The previous prime is 330668521. The next prime is 330668561. The reversal of 330668532 is 235866033.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 329640336 + 1028196 = 18156^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9185237 = 330668532 / (3 + 3 + 0 + 6 + 6 + 8 + 5 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4592583 + ... + 4592654.

It is an arithmetic number, because the mean of its divisors is an integer number (46436481).

Almost surely, 2^330668532 is an apocalyptic number.

It is an amenable number.

330668532 is an abundant number, since it is smaller than the sum of its proper divisors (505188126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330668532 is a wasteful number, since it uses less digits than its factorization.

330668532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9185247 (or 9185242 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 330668532 is about 18184.2935524040. The cubic root of 330668532 is about 691.5086586437.

The spelling of 330668532 in words is "three hundred thirty million, six hundred sixty-eight thousand, five hundred thirty-two".