66468086459 has 2 divisors, whose sum is σ = 66468086460. Its totient is φ = 66468086458.

The previous prime is 66468086417. The next prime is 66468086533. The reversal of 66468086459 is 95468086466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66468086459 - 2¹⁶ = 66468020923 is a prime.

It is not a weakly prime, because it can be changed into another prime (66468086759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33234043229 + 33234043230.

It is an arithmetic number, because the mean of its divisors is an integer number (33234043230).

Almost surely, 2^66468086459 is an apocalyptic number.

66468086459 is a deficient number, since it is larger than the sum of its proper divisors (1).

66468086459 is an equidigital number, since it uses as much as digits as its factorization.

66468086459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 66468086459 in words is "sixty-six billion, four hundred sixty-eight million, eighty-six thousand, four hundred fifty-nine".