331366816 has 24 divisors (see below), whose sum is σ = 711686304. Its totient is φ = 150621120.

The previous prime is 331366813. The next prime is 331366829. The reversal of 331366816 is 618663133.

It is not an unprimeable number, because it can be changed into a prime (331366813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470340 + ... + 471043.

It is an arithmetic number, because the mean of its divisors is an integer number (29653596).

Almost surely, 2^331366816 is an apocalyptic number.

It is an amenable number.

331366816 is an abundant number, since it is smaller than the sum of its proper divisors (380319488).

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

331366816 is a wasteful number, since it uses less digits than its factorization.

331366816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941404 (or 941396 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 331366816 is about 18203.4836226476. The cubic root of 331366816 is about 691.9950772033.

The spelling of 331366816 in words is "three hundred thirty-one million, three hundred sixty-six thousand, eight hundred sixteen".