3260378509668 has 216 divisors, whose sum is σ = 9614681294400. Its totient is φ = 928857960576.

The previous prime is 3260378509649. The next prime is 3260378509673. The reversal of 3260378509668 is 8669058730623.

3260378509668 is a `hidden beast` number, since 3 + 2 + 60 + 3 + 7 + 8 + 509 + 6 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1109348143 + ... + 1109351081.

It is an arithmetic number, because the mean of its divisors is an integer number (44512413400).

Almost surely, 2^{3260378509668} 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 3260378509668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4807340647200).

3260378509668 is an abundant number, since it is smaller than the sum of its proper divisors (6354302784732).

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

3260378509668 is a wasteful number, since it uses less digits than its factorization.

3260378509668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 3260378509668 in words is "three trillion, two hundred sixty billion, three hundred seventy-eight million, five hundred nine thousand, six hundred sixty-eight".