66027067 has 2 divisors, whose sum is σ = 66027068. Its totient is φ = 66027066.

The previous prime is 66027061. The next prime is 66027079. The reversal of 66027067 is 76072066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66027067 - 2¹⁹ = 65502779 is a prime.

It is not a weakly prime, because it can be changed into another prime (66027061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33013533 + 33013534.

It is an arithmetic number, because the mean of its divisors is an integer number (33013534).

Almost surely, 2^66027067 is an apocalyptic number.

66027067 is a deficient number, since it is larger than the sum of its proper divisors (1).

66027067 is an equidigital number, since it uses as much as digits as its factorization.

66027067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 66027067 is about 8125.7040925695. The cubic root of 66027067 is about 404.1792390794.

The spelling of 66027067 in words is "sixty-six million, twenty-seven thousand, sixty-seven".