66262214227 has 32 divisors (see below), whose sum is σ = 74524747968. Its totient is φ = 58406400000.

The previous prime is 66262214153. The next prime is 66262214257. The reversal of 66262214227 is 72241226266.

It is a cyclic number.

It is not a de Polignac number, because 66262214227 - 2²³ = 66253825619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66262214227.

It is not an unprimeable number, because it can be changed into a prime (66262214257) 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 in 31 ways as a sum of consecutive naturals, for example, 16330783 + ... + 16334839.

It is an arithmetic number, because the mean of its divisors is an integer number (2328898374).

Almost surely, 2^66262214227 is an apocalyptic number.

66262214227 is a deficient number, since it is larger than the sum of its proper divisors (8262533741).

66262214227 is a wasteful number, since it uses less digits than its factorization.

66262214227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 193536, while the sum is 40.

The spelling of 66262214227 in words is "sixty-six billion, two hundred sixty-two million, two hundred fourteen thousand, two hundred twenty-seven".