330391216 has 10 divisors (see below), whose sum is σ = 640133012. Its totient is φ = 165195600.

The previous prime is 330391213. The next prime is 330391223. The reversal of 330391216 is 612193033.

330391216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (330391213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10324710 + ... + 10324741.

Almost surely, 2^330391216 is an apocalyptic number.

It is an amenable number.

330391216 is a deficient number, since it is larger than the sum of its proper divisors (309741796).

330391216 is a wasteful number, since it uses less digits than its factorization.

330391216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20649459 (or 20649453 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 330391216 is about 18176.6668011492. Note that the first 3 decimals coincide. The cubic root of 330391216 is about 691.3152927500.

The spelling of 330391216 in words is "three hundred thirty million, three hundred ninety-one thousand, two hundred sixteen".