66214063 has 2 divisors, whose sum is σ = 66214064. Its totient is φ = 66214062.

The previous prime is 66214021. The next prime is 66214073. The reversal of 66214063 is 36041266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66214063 - 2²⁵ = 32659631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66214003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33107031 + 33107032.

It is an arithmetic number, because the mean of its divisors is an integer number (33107032).

Almost surely, 2^66214063 is an apocalyptic number.

66214063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66214063 is an equidigital number, since it uses as much as digits as its factorization.

66214063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66214063 is about 8137.2024062327. The cubic root of 66214063 is about 404.5604396296.

The spelling of 66214063 in words is "sixty-six million, two hundred fourteen thousand, sixty-three".