66127363 has 2 divisors, whose sum is σ = 66127364. Its totient is φ = 66127362.

The previous prime is 66127361. The next prime is 66127409. The reversal of 66127363 is 36372166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66127363 - 2¹ = 66127361 is a prime.

Together with 66127361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66127361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33063681 + 33063682.

It is an arithmetic number, because the mean of its divisors is an integer number (33063682).

Almost surely, 2^66127363 is an apocalyptic number.

66127363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66127363 is an equidigital number, since it uses as much as digits as its factorization.

66127363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 66127363 is about 8131.8732774189. The cubic root of 66127363 is about 404.3837867718.

The spelling of 66127363 in words is "sixty-six million, one hundred twenty-seven thousand, three hundred sixty-three".