66017630113289 has 2 divisors, whose sum is σ = 66017630113290. Its totient is φ = 66017630113288.

The previous prime is 66017630113261. The next prime is 66017630113301. The reversal of 66017630113289 is 98231103671066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56698897037689 + 9318733075600 = 7529867^2 + 3052660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66017630113289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66017630113289.

It is not a weakly prime, because it can be changed into another prime (66017630113889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33008815056644 + 33008815056645.

It is an arithmetic number, because the mean of its divisors is an integer number (33008815056645).

Almost surely, 2^{66017630113289} is an apocalyptic number.

It is an amenable number.

66017630113289 is a deficient number, since it is larger than the sum of its proper divisors (1).

66017630113289 is an equidigital number, since it uses as much as digits as its factorization.

66017630113289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 66017630113289 in words is "sixty-six trillion, seventeen billion, six hundred thirty million, one hundred thirteen thousand, two hundred eighty-nine".