3326663446561 has 48 divisors (see below), whose sum is σ = 4322203866624. Its totient is φ = 2492969021568.

The previous prime is 3326663446549. The next prime is 3326663446591. The reversal of 3326663446561 is 1656443666233.

It is not a de Polignac number, because 3326663446561 - 2⁵ = 3326663446529 is a prime.

It is a super-2 number, since 2×3326663446561² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3326663446591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182543896 + ... + 182562118.

It is an arithmetic number, because the mean of its divisors is an integer number (90045913888).

Almost surely, 2^{3326663446561} is an apocalyptic number.

It is an amenable number.

3326663446561 is a deficient number, since it is larger than the sum of its proper divisors (995540420063).

3326663446561 is a wasteful number, since it uses less digits than its factorization.

3326663446561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23838 (or 23819 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 55.

The spelling of 3326663446561 in words is "three trillion, three hundred twenty-six billion, six hundred sixty-three million, four hundred forty-six thousand, five hundred sixty-one".