66311373067 has 2 divisors, whose sum is σ = 66311373068. Its totient is φ = 66311373066.

The previous prime is 66311373053. The next prime is 66311373097. The reversal of 66311373067 is 76037311366.

66311373067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66311373067 - 2³⁵ = 31951634699 is a prime.

It is not a weakly prime, because it can be changed into another prime (66311373097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33155686533 + 33155686534.

It is an arithmetic number, because the mean of its divisors is an integer number (33155686534).

Almost surely, 2^66311373067 is an apocalyptic number.

66311373067 is a deficient number, since it is larger than the sum of its proper divisors (1).

66311373067 is an equidigital number, since it uses as much as digits as its factorization.

66311373067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 43.

The spelling of 66311373067 in words is "sixty-six billion, three hundred eleven million, three hundred seventy-three thousand, sixty-seven".