66322117343 has 2 divisors, whose sum is σ = 66322117344. Its totient is φ = 66322117342.

The previous prime is 66322117339. The next prime is 66322117363. The reversal of 66322117343 is 34371122366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66322117343 - 2² = 66322117339 is a prime.

It is a super-2 number, since 2×66322117343² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66322117297 and 66322117306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66322117363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33161058671 + 33161058672.

It is an arithmetic number, because the mean of its divisors is an integer number (33161058672).

Almost surely, 2^66322117343 is an apocalyptic number.

66322117343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66322117343 is an equidigital number, since it uses as much as digits as its factorization.

66322117343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The spelling of 66322117343 in words is "sixty-six billion, three hundred twenty-two million, one hundred seventeen thousand, three hundred forty-three".