66010271 has 2 divisors, whose sum is σ = 66010272. Its totient is φ = 66010270.

The previous prime is 66010261. The next prime is 66010277. The reversal of 66010271 is 17201066.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66010271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66010277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33005135 + 33005136.

It is an arithmetic number, because the mean of its divisors is an integer number (33005136).

Almost surely, 2^66010271 is an apocalyptic number.

66010271 is a deficient number, since it is larger than the sum of its proper divisors (1).

66010271 is an equidigital number, since it uses as much as digits as its factorization.

66010271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 66010271 is about 8124.6705163963. The cubic root of 66010271 is about 404.1449643972.

The spelling of 66010271 in words is "sixty-six million, ten thousand, two hundred seventy-one".