666003056 has 20 divisors (see below), whose sum is σ = 1293797400. Its totient is φ = 332119872.

The previous prime is 666003001. The next prime is 666003073. The reversal of 666003056 is 650300666.

666003056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 48851 + ... + 60978.

It is an arithmetic number, because the mean of its divisors is an integer number (64689870).

Almost surely, 2^666003056 is an apocalyptic number.

It is an amenable number.

666003056 is a deficient number, since it is larger than the sum of its proper divisors (627794344).

666003056 is a wasteful number, since it uses less digits than its factorization.

666003056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110216 (or 110210 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 666003056 is about 25807.0350098573. The cubic root of 666003056 is about 873.2905098491.

The spelling of 666003056 in words is "six hundred sixty-six million, three thousand, fifty-six".