330811664 has 20 divisors (see below), whose sum is σ = 661624320. Its totient is φ = 160069920.

The previous prime is 330811639. The next prime is 330811697. The reversal of 330811664 is 466118033.

330811664 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 330811664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332984 + ... + 333975.

It is an arithmetic number, because the mean of its divisors is an integer number (33081216).

Almost surely, 2^330811664 is an apocalyptic number.

It is an amenable number.

330811664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

330811664 is a wasteful number, since it uses less digits than its factorization.

330811664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666998 (or 666992 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 330811664 is about 18188.2287207963. The cubic root of 330811664 is about 691.6084189074.

Adding to 330811664 its reverse (466118033), we get a palindrome (796929697).

The spelling of 330811664 in words is "three hundred thirty million, eight hundred eleven thousand, six hundred sixty-four".