66704066703367 has 2 divisors, whose sum is σ = 66704066703368. Its totient is φ = 66704066703366.

The previous prime is 66704066703271. The next prime is 66704066703389. The reversal of 66704066703367 is 76330766040766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66704066703367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66704066703767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33352033351683 + 33352033351684.

It is an arithmetic number, because the mean of its divisors is an integer number (33352033351684).

Almost surely, 2^{66704066703367} is an apocalyptic number.

66704066703367 is a deficient number, since it is larger than the sum of its proper divisors (1).

66704066703367 is an equidigital number, since it uses as much as digits as its factorization.

66704066703367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96018048, while the sum is 61.

The spelling of 66704066703367 in words is "sixty-six trillion, seven hundred four billion, sixty-six million, seven hundred three thousand, three hundred sixty-seven".