66027866 has 8 divisors (see below), whose sum is σ = 99080544. Its totient is φ = 33001020.

The previous prime is 66027859. The next prime is 66027883. The reversal of 66027866 is 66872066.

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, 2321 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (12385068).

Almost surely, 2^66027866 is an apocalyptic number.

66027866 is a deficient number, since it is larger than the sum of its proper divisors (33052678).

66027866 is a wasteful number, since it uses less digits than its factorization.

66027866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 66027866 is about 8125.7532573910. The cubic root of 66027866 is about 404.1808694103.

The spelling of 66027866 in words is "sixty-six million, twenty-seven thousand, eight hundred sixty-six".