330530816 has 128 divisors (see below), whose sum is σ = 830459520. Its totient is φ = 127795200.

The previous prime is 330530789. The next prime is 330530819. The reversal of 330530816 is 618035033.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330530819) 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, 2523071 + ... + 2523201.

It is an arithmetic number, because the mean of its divisors is an integer number (6487965).

Almost surely, 2^330530816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330530816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415229760).

330530816 is an abundant number, since it is smaller than the sum of its proper divisors (499928704).

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

330530816 is an equidigital number, since it uses as much as digits as its factorization.

330530816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 330530816 is about 18180.5064835939. The cubic root of 330530816 is about 691.4126460501.

Adding to 330530816 its reverse (618035033), we get a palindrome (948565849).

The spelling of 330530816 in words is "three hundred thirty million, five hundred thirty thousand, eight hundred sixteen".