3329318656 has 72 divisors (see below), whose sum is σ = 6882753024. Its totient is φ = 1605626880.

The previous prime is 3329318627. The next prime is 3329318669. The reversal of 3329318656 is 6568139233.

It is a super-2 number, since 2×3329318656² = 22168725426379292672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515175 + ... + 3516121.

It is an arithmetic number, because the mean of its divisors is an integer number (95593792).

Almost surely, 2^3329318656 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 3329318656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3441376512).

3329318656 is an abundant number, since it is smaller than the sum of its proper divisors (3553434368).

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

3329318656 is an equidigital number, since it uses as much as digits as its factorization.

3329318656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1423 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 3329318656 is about 57700.2483183565. The cubic root of 3329318656 is about 1493.2016281238.

The spelling of 3329318656 in words is "three billion, three hundred twenty-nine million, three hundred eighteen thousand, six hundred fifty-six".