3319861211664 has 240 divisors, whose sum is σ = 9508326547200. Its totient is φ = 995056344576.

The previous prime is 3319861211657. The next prime is 3319861211669. The reversal of 3319861211664 is 4661121689133.

It is a super-2 number, since 2×3319861211664² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3319861211669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45215847 + ... + 45289209.

It is an arithmetic number, because the mean of its divisors is an integer number (39618027280).

Almost surely, 2^{3319861211664} 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 3319861211664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754163273600).

3319861211664 is an abundant number, since it is smaller than the sum of its proper divisors (6188465335536).

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

3319861211664 is a wasteful number, since it uses less digits than its factorization.

3319861211664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73510 (or 73475 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The spelling of 3319861211664 in words is "three trillion, three hundred nineteen billion, eight hundred sixty-one million, two hundred eleven thousand, six hundred sixty-four".