66026071 has 2 divisors, whose sum is σ = 66026072. Its totient is φ = 66026070.

The previous prime is 66026041. The next prime is 66026087. The reversal of 66026071 is 17062066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66026071 - 2¹⁹ = 65501783 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 (66026041) 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, 33013035 + 33013036.

It is an arithmetic number, because the mean of its divisors is an integer number (33013036).

Almost surely, 2^66026071 is an apocalyptic number.

66026071 is a deficient number, since it is larger than the sum of its proper divisors (1).

66026071 is an equidigital number, since it uses as much as digits as its factorization.

66026071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66026071 is about 8125.6428053416. The cubic root of 66026071 is about 404.1772067586.

The spelling of 66026071 in words is "sixty-six million, twenty-six thousand, seventy-one".