6778066316143 has 2 divisors, whose sum is σ = 6778066316144. Its totient is φ = 6778066316142.

The previous prime is 6778066316137. The next prime is 6778066316171. The reversal of 6778066316143 is 3416136608776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6778066316143 - 2⁵ = 6778066316111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6778066316843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389033158071 + 3389033158072.

It is an arithmetic number, because the mean of its divisors is an integer number (3389033158072).

Almost surely, 2^{6778066316143} is an apocalyptic number.

6778066316143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778066316143 is an equidigital number, since it uses as much as digits as its factorization.

6778066316143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 6778066316143 in words is "six trillion, seven hundred seventy-eight billion, sixty-six million, three hundred sixteen thousand, one hundred forty-three".