3320663556 has 72 divisors (see below), whose sum is σ = 9100902720. Its totient is φ = 939532608.

The previous prime is 3320663501. The next prime is 3320663597. The reversal of 3320663556 is 6553660233.

It is a super-2 number, since 2×3320663556² = 22053612904293130272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33150 + ... + 87978.

Almost surely, 2^3320663556 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 3320663556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4550451360).

3320663556 is an abundant number, since it is smaller than the sum of its proper divisors (5780239164).

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

3320663556 is a wasteful number, since it uses less digits than its factorization.

3320663556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54953 (or 54944 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

The square root of 3320663556 is about 57625.1989671185. The cubic root of 3320663556 is about 1491.9065658678.

The spelling of 3320663556 in words is "three billion, three hundred twenty million, six hundred sixty-three thousand, five hundred fifty-six".