3243556016 has 20 divisors (see below), whose sum is σ = 6346614624. Its totient is φ = 1605720000.

The previous prime is 3243556013. The next prime is 3243556027. The reversal of 3243556016 is 6106553423.

It is not an unprimeable number, because it can be changed into a prime (3243556013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001960 + ... + 1005191.

Almost surely, 2^3243556016 is an apocalyptic number.

It is an amenable number.

3243556016 is a deficient number, since it is larger than the sum of its proper divisors (3103058608).

3243556016 is a wasteful number, since it uses less digits than its factorization.

3243556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007260 (or 2007254 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 3243556016 is about 56952.2257335040. The cubic root of 3243556016 is about 1480.2683978778.

The spelling of 3243556016 in words is "three billion, two hundred forty-three million, five hundred fifty-six thousand, sixteen".