66366450146063 has 2 divisors, whose sum is σ = 66366450146064. Its totient is φ = 66366450146062.

The previous prime is 66366450146047. The next prime is 66366450146083. The reversal of 66366450146063 is 36064105466366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66366450146063 - 2⁴ = 66366450146047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66366450146033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33183225073031 + 33183225073032.

It is an arithmetic number, because the mean of its divisors is an integer number (33183225073032).

Almost surely, 2^{66366450146063} is an apocalyptic number.

66366450146063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66366450146063 is an equidigital number, since it uses as much as digits as its factorization.

66366450146063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 56.

The spelling of 66366450146063 in words is "sixty-six trillion, three hundred sixty-six billion, four hundred fifty million, one hundred forty-six thousand, sixty-three".