3321163664 has 60 divisors (see below), whose sum is σ = 7963258176. Its totient is φ = 1313859456.

The previous prime is 3321163613. The next prime is 3321163693. The reversal of 3321163664 is 4663611233.

It is a super-2 number, since 2×3321163664² = 22060256166147809792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68804 + ... + 106659.

Almost surely, 2^3321163664 is an apocalyptic number.

It is an amenable number.

3321163664 is an abundant number, since it is smaller than the sum of its proper divisors (4642094512).

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

3321163664 is a wasteful number, since it uses less digits than its factorization.

3321163664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175504 (or 175485 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 3321163664 is about 57629.5381206548. The cubic root of 3321163664 is about 1491.9814582242.

Adding to 3321163664 its reverse (4663611233), we get a palindrome (7984774897).

The spelling of 3321163664 in words is "three billion, three hundred twenty-one million, one hundred sixty-three thousand, six hundred sixty-four".