3325655664 has 40 divisors (see below), whose sum is σ = 9545864720. Its totient is φ = 1108551744.

The previous prime is 3325655659. The next prime is 3325655681. The reversal of 3325655664 is 4665565233.

3325655664 is a `hidden beast` number, since 3 + 3 + 25 + 65 + 566 + 4 = 666.

3325655664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3325655664² = 22119971190990561792, 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, 3848707 + ... + 3849570.

It is an arithmetic number, because the mean of its divisors is an integer number (238646618).

Almost surely, 2^3325655664 is an apocalyptic number.

It is an amenable number.

3325655664 is an abundant number, since it is smaller than the sum of its proper divisors (6220209056).

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

3325655664 is a wasteful number, since it uses less digits than its factorization.

3325655664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698294 (or 7698282 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The square root of 3325655664 is about 57668.4980210166. The cubic root of 3325655664 is about 1492.6538090521.

The spelling of 3325655664 in words is "three billion, three hundred twenty-five million, six hundred fifty-five thousand, six hundred sixty-four".