7066668311 has 2 divisors, whose sum is σ = 7066668312. Its totient is φ = 7066668310.

The previous prime is 7066668299. The next prime is 7066668331. The reversal of 7066668311 is 1138666607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7066668311 - 2⁶ = 7066668247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7066668331) 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 as a sum of consecutive naturals, namely, 3533334155 + 3533334156.

It is an arithmetic number, because the mean of its divisors is an integer number (3533334156).

Almost surely, 2^7066668311 is an apocalyptic number.

7066668311 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066668311 is an equidigital number, since it uses as much as digits as its factorization.

7066668311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 7066668311 is about 84063.4778664314. The cubic root of 7066668311 is about 1918.9849516588.

The spelling of 7066668311 in words is "seven billion, sixty-six million, six hundred sixty-eight thousand, three hundred eleven".