66075127 has 2 divisors, whose sum is σ = 66075128. Its totient is φ = 66075126.

The previous prime is 66075083. The next prime is 66075143. The reversal of 66075127 is 72157066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66075127 - 2⁷ = 66074999 is a prime.

It is a super-2 number, since 2×66075127² = 8731844816132258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66075092 and 66075101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66075157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33037563 + 33037564.

It is an arithmetic number, because the mean of its divisors is an integer number (33037564).

Almost surely, 2^66075127 is an apocalyptic number.

66075127 is a deficient number, since it is larger than the sum of its proper divisors (1).

66075127 is an equidigital number, since it uses as much as digits as its factorization.

66075127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 66075127 is about 8128.6608368168. The cubic root of 66075127 is about 404.2772804030.

The spelling of 66075127 in words is "sixty-six million, seventy-five thousand, one hundred twenty-seven".