66664081322 has 8 divisors (see below), whose sum is σ = 100609595616. Its totient is φ = 33127549452.

The previous prime is 66664081307. The next prime is 66664081343. The reversal of 66664081322 is 22318046666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102245198 + ... + 102245849.

It is an arithmetic number, because the mean of its divisors is an integer number (12576199452).

Almost surely, 2^66664081322 is an apocalyptic number.

66664081322 is a deficient number, since it is larger than the sum of its proper divisors (33945514294).

66664081322 is a wasteful number, since it uses less digits than its factorization.

66664081322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204491212.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 66664081322 in words is "sixty-six billion, six hundred sixty-four million, eighty-one thousand, three hundred twenty-two".