66168286166 has 8 divisors (see below), whose sum is σ = 99306641424. Its totient is φ = 33066072360.

The previous prime is 66168286157. The next prime is 66168286211.

66168286166 is nontrivially palindromic in base 10.

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

It is a congruent 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, 9030785 + ... + 9038108.

It is an arithmetic number, because the mean of its divisors is an integer number (12413330178).

Almost surely, 2^66168286166 is an apocalyptic number.

66168286166 is a deficient number, since it is larger than the sum of its proper divisors (33138355258).

66168286166 is a wasteful number, since it uses less digits than its factorization.

66168286166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070726.

The product of its digits is 5971968, while the sum is 56.

The spelling of 66168286166 in words is "sixty-six billion, one hundred sixty-eight million, two hundred eighty-six thousand, one hundred sixty-six".