66066050116529 has 2 divisors, whose sum is σ = 66066050116530. Its totient is φ = 66066050116528.

The previous prime is 66066050116483. The next prime is 66066050116637. The reversal of 66066050116529 is 92561105066066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66059182182400 + 6867934129 = 8127680^2 + 82873^2 .

It is a cyclic number.

It is not a de Polignac number, because 66066050116529 - 2¹⁶ = 66066050050993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (66066050116229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33033025058264 + 33033025058265.

It is an arithmetic number, because the mean of its divisors is an integer number (33033025058265).

Almost surely, 2^{66066050116529} is an apocalyptic number.

It is an amenable number.

66066050116529 is a deficient number, since it is larger than the sum of its proper divisors (1).

66066050116529 is an equidigital number, since it uses as much as digits as its factorization.

66066050116529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 66066050116529 in words is "sixty-six trillion, sixty-six billion, fifty million, one hundred sixteen thousand, five hundred twenty-nine".