66222311814 has 24 divisors (see below), whose sum is σ = 143567812440. Its totient is φ = 22060852128.

The previous prime is 66222311803. The next prime is 66222311833. The reversal of 66222311814 is 41811322266.

It is a happy number.

66222311814 is a `hidden beast` number, since 6 + 622 + 2 + 3 + 1 + 18 + 14 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1073479 + ... + 1133490.

It is an arithmetic number, because the mean of its divisors is an integer number (5981992185).

Almost surely, 2^66222311814 is an apocalyptic number.

66222311814 is an abundant number, since it is smaller than the sum of its proper divisors (77345500626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66222311814 is a wasteful number, since it uses less digits than its factorization.

66222311814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208644 (or 2208641 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 66222311814 in words is "sixty-six billion, two hundred twenty-two million, three hundred eleven thousand, eight hundred fourteen".