66626284343 has 2 divisors, whose sum is σ = 66626284344. Its totient is φ = 66626284342.

The previous prime is 66626284337. The next prime is 66626284399. The reversal of 66626284343 is 34348262666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66626284343 - 2⁴ = 66626284327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66626284291 and 66626284300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66626284943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33313142171 + 33313142172.

It is an arithmetic number, because the mean of its divisors is an integer number (33313142172).

Almost surely, 2^66626284343 is an apocalyptic number.

66626284343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66626284343 is an equidigital number, since it uses as much as digits as its factorization.

66626284343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 50.

The spelling of 66626284343 in words is "sixty-six billion, six hundred twenty-six million, two hundred eighty-four thousand, three hundred forty-three".