66044066 has 8 divisors (see below), whose sum is σ = 108072144. Its totient is φ = 30020020.

The previous prime is 66044039. The next prime is 66044089.

It is a happy number.

66044066 is nontrivially palindromic in base 10.

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, 1500980 + ... + 1501023.

It is an arithmetic number, because the mean of its divisors is an integer number (13509018).

Almost surely, 2^66044066 is an apocalyptic number.

66044066 is a deficient number, since it is larger than the sum of its proper divisors (42028078).

66044066 is a wasteful number, since it uses less digits than its factorization.

66044066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002016.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66044066 is about 8126.7500269173. The cubic root of 66044066 is about 404.2139220948.

The spelling of 66044066 in words is "sixty-six million, forty-four thousand, sixty-six", and thus it is an eban number.