66227472266 has 8 divisors (see below), whose sum is σ = 99355002564. Its totient is φ = 33109138080.

The previous prime is 66227472217. The next prime is 66227472277.

66227472266 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 57039291241 + 9188181025 = 238829^2 + 95855^2 .

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

It is a Curzon number.

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, 2280995 + ... + 2309846.

Almost surely, 2^66227472266 is an apocalyptic number.

66227472266 is a deficient number, since it is larger than the sum of its proper divisors (33127530298).

66227472266 is a wasteful number, since it uses less digits than its factorization.

66227472266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598056.

The product of its digits is 4064256, while the sum is 50.

The spelling of 66227472266 in words is "sixty-six billion, two hundred twenty-seven million, four hundred seventy-two thousand, two hundred sixty-six".