66076630726343 has 2 divisors, whose sum is σ = 66076630726344. Its totient is φ = 66076630726342.

The previous prime is 66076630726261. The next prime is 66076630726357. The reversal of 66076630726343 is 34362703667066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66076630726343 - 2⁸ = 66076630726087 is a prime.

It is a super-2 number, since 2×66076630726343² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66076630726363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33038315363171 + 33038315363172.

It is an arithmetic number, because the mean of its divisors is an integer number (33038315363172).

Almost surely, 2^{66076630726343} is an apocalyptic number.

66076630726343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66076630726343 is an equidigital number, since it uses as much as digits as its factorization.

66076630726343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82301184, while the sum is 59.

The spelling of 66076630726343 in words is "sixty-six trillion, seventy-six billion, six hundred thirty million, seven hundred twenty-six thousand, three hundred forty-three".