66066285 has 8 divisors (see below), whose sum is σ = 105706080. Its totient is φ = 35235344.

The previous prime is 66066229. The next prime is 66066311. The reversal of 66066285 is 58266066.

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

It is a cyclic number.

It is not a de Polignac number, because 66066285 - 2⁹ = 66065773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202195 + ... + 2202224.

It is an arithmetic number, because the mean of its divisors is an integer number (13213260).

Almost surely, 2^66066285 is an apocalyptic number.

It is an amenable number.

66066285 is a deficient number, since it is larger than the sum of its proper divisors (39639795).

66066285 is a wasteful number, since it uses less digits than its factorization.

66066285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404427.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 66066285 is about 8128.1169405958. The cubic root of 66066285 is about 404.2592464905.

The spelling of 66066285 in words is "sixty-six million, sixty-six thousand, two hundred eighty-five".