66000223366 has 48 divisors (see below), whose sum is σ = 125717667840. Its totient is φ = 25697059920.

The previous prime is 66000223361. The next prime is 66000223379. The reversal of 66000223366 is 66332200066.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66000223361) 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 23 ways as a sum of consecutive naturals, for example, 1643515 + ... + 1683193.

It is an arithmetic number, because the mean of its divisors is an integer number (2619118080).

Almost surely, 2^66000223366 is an apocalyptic number.

66000223366 is a deficient number, since it is larger than the sum of its proper divisors (59717444474).

66000223366 is a wasteful number, since it uses less digits than its factorization.

With its successor (66000223367) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (41242).

66000223366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41249 (or 41242 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 66000223366 in words is "sixty-six billion, two hundred twenty-three thousand, three hundred sixty-six".