3272645216 has 24 divisors (see below), whose sum is σ = 6444336024. Its totient is φ = 1635988480.

The previous prime is 3272645213. The next prime is 3272645239. The reversal of 3272645216 is 6125462723.

It is a self number, because there is not a number n which added to its sum of digits gives 3272645216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3272645213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244391 + ... + 257433.

It is an arithmetic number, because the mean of its divisors is an integer number (268514001).

Almost surely, 2^3272645216 is an apocalyptic number.

It is an amenable number.

3272645216 is a deficient number, since it is larger than the sum of its proper divisors (3171690808).

3272645216 is a wasteful number, since it uses less digits than its factorization.

3272645216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20894 (or 20886 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 3272645216 is about 57207.0381683932. The cubic root of 3272645216 is about 1484.6804008635.

The spelling of 3272645216 in words is "three billion, two hundred seventy-two million, six hundred forty-five thousand, two hundred sixteen".