66868362223 has 8 divisors (see below), whose sum is σ = 72754476368. Its totient is φ = 61088304384.

The previous prime is 66868362193. The next prime is 66868362227. The reversal of 66868362223 is 32226386866.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66868362223 - 2²⁹ = 66331491311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66868362227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26512761 + ... + 26515282.

It is an arithmetic number, because the mean of its divisors is an integer number (9094309546).

Almost surely, 2^66868362223 is an apocalyptic number.

66868362223 is a deficient number, since it is larger than the sum of its proper divisors (5886114145).

66868362223 is a wasteful number, since it uses less digits than its factorization.

66868362223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53028153.

The product of its digits is 5971968, while the sum is 52.

The spelling of 66868362223 in words is "sixty-six billion, eight hundred sixty-eight million, three hundred sixty-two thousand, two hundred twenty-three".