2066341107697 has 2 divisors, whose sum is σ = 2066341107698. Its totient is φ = 2066341107696.

The previous prime is 2066341107689. The next prime is 2066341107791. The reversal of 2066341107697 is 7967011436602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1779105136561 + 287235971136 = 1333831^2 + 535944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066341107697 - 2³ = 2066341107689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066341107637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033170553848 + 1033170553849.

It is an arithmetic number, because the mean of its divisors is an integer number (1033170553849).

Almost surely, 2^{2066341107697} is an apocalyptic number.

It is an amenable number.

2066341107697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066341107697 is an equidigital number, since it uses as much as digits as its factorization.

2066341107697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 2066341107697 in words is "two trillion, sixty-six billion, three hundred forty-one million, one hundred seven thousand, six hundred ninety-seven".