66322117339 has 2 divisors, whose sum is σ = 66322117340. Its totient is φ = 66322117338.

The previous prime is 66322117261. The next prime is 66322117343. The reversal of 66322117339 is 93371122366.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66322117339 - 2⁹ = 66322116827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66322117295 and 66322117304.

It is not a weakly prime, because it can be changed into another prime (66322117399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33161058669 + 33161058670.

It is an arithmetic number, because the mean of its divisors is an integer number (33161058670).

Almost surely, 2^66322117339 is an apocalyptic number.

66322117339 is a deficient number, since it is larger than the sum of its proper divisors (1).

66322117339 is an equidigital number, since it uses as much as digits as its factorization.

66322117339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The spelling of 66322117339 in words is "sixty-six billion, three hundred twenty-two million, one hundred seventeen thousand, three hundred thirty-nine".