66242063 has 2 divisors, whose sum is σ = 66242064. Its totient is φ = 66242062.

The previous prime is 66242041. The next prime is 66242083. The reversal of 66242063 is 36024266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66242063 - 2¹⁰ = 66241039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66242023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33121031 + 33121032.

It is an arithmetic number, because the mean of its divisors is an integer number (33121032).

Almost surely, 2^66242063 is an apocalyptic number.

66242063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66242063 is an equidigital number, since it uses as much as digits as its factorization.

66242063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 66242063 is about 8138.9227174117. The cubic root of 66242063 is about 404.6174572049.

The spelling of 66242063 in words is "sixty-six million, two hundred forty-two thousand, sixty-three".