66300841 has 2 divisors, whose sum is σ = 66300842. Its totient is φ = 66300840.

The previous prime is 66300821. The next prime is 66300877. The reversal of 66300841 is 14800366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46185616 + 20115225 = 6796^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 66300841 - 2⁵ = 66300809 is a prime.

It is not a weakly prime, because it can be changed into another prime (66300811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33150420 + 33150421.

It is an arithmetic number, because the mean of its divisors is an integer number (33150421).

Almost surely, 2^66300841 is an apocalyptic number.

It is an amenable number.

66300841 is a deficient number, since it is larger than the sum of its proper divisors (1).

66300841 is an equidigital number, since it uses as much as digits as its factorization.

66300841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 66300841 is about 8142.5328369003. The cubic root of 66300841 is about 404.7370970683.

The spelling of 66300841 in words is "sixty-six million, three hundred thousand, eight hundred forty-one".