66468594211 has 2 divisors, whose sum is σ = 66468594212. Its totient is φ = 66468594210.

The previous prime is 66468594187. The next prime is 66468594221. The reversal of 66468594211 is 11249586466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66468594211 - 2¹¹ = 66468592163 is a prime.

It is not a weakly prime, because it can be changed into another prime (66468594221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33234297105 + 33234297106.

It is an arithmetic number, because the mean of its divisors is an integer number (33234297106).

Almost surely, 2^66468594211 is an apocalyptic number.

66468594211 is a deficient number, since it is larger than the sum of its proper divisors (1).

66468594211 is an equidigital number, since it uses as much as digits as its factorization.

66468594211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 52.

The spelling of 66468594211 in words is "sixty-six billion, four hundred sixty-eight million, five hundred ninety-four thousand, two hundred eleven".