66127703270627 has 2 divisors, whose sum is σ = 66127703270628. Its totient is φ = 66127703270626.

The previous prime is 66127703270509. The next prime is 66127703270659. The reversal of 66127703270627 is 72607230772166.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66127703270627 - 2¹⁸ = 66127703008483 is a prime.

It is not a weakly prime, because it can be changed into another prime (66127703273627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33063851635313 + 33063851635314.

It is an arithmetic number, because the mean of its divisors is an integer number (33063851635314).

Almost surely, 2^{66127703270627} is an apocalyptic number.

66127703270627 is a deficient number, since it is larger than the sum of its proper divisors (1).

66127703270627 is an equidigital number, since it uses as much as digits as its factorization.

66127703270627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12446784, while the sum is 56.

The spelling of 66127703270627 in words is "sixty-six trillion, one hundred twenty-seven billion, seven hundred three million, two hundred seventy thousand, six hundred twenty-seven".