66566290283 has 2 divisors, whose sum is σ = 66566290284. Its totient is φ = 66566290282.

The previous prime is 66566290267. The next prime is 66566290291. The reversal of 66566290283 is 38209266566.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66566290283 - 2⁴ = 66566290267 is a prime.

It is not a weakly prime, because it can be changed into another prime (66566290243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33283145141 + 33283145142.

It is an arithmetic number, because the mean of its divisors is an integer number (33283145142).

Almost surely, 2^66566290283 is an apocalyptic number.

66566290283 is a deficient number, since it is larger than the sum of its proper divisors (1).

66566290283 is an equidigital number, since it uses as much as digits as its factorization.

66566290283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 66566290283 in words is "sixty-six billion, five hundred sixty-six million, two hundred ninety thousand, two hundred eighty-three".