666033044 has 12 divisors (see below), whose sum is σ = 1171661568. Its totient is φ = 331272600.

The previous prime is 666033031. The next prime is 666033061. The reversal of 666033044 is 440330666.

It is a self number, because there is not a number n which added to its sum of digits gives 666033044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435122 + ... + 436649.

It is an arithmetic number, because the mean of its divisors is an integer number (97638464).

Almost surely, 2^666033044 is an apocalyptic number.

It is an amenable number.

666033044 is a deficient number, since it is larger than the sum of its proper divisors (505628524).

666033044 is a wasteful number, since it uses less digits than its factorization.

666033044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871966 (or 871964 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 666033044 is about 25807.6160076827. The cubic root of 666033044 is about 873.3036168174.

The spelling of 666033044 in words is "six hundred sixty-six million, thirty-three thousand, forty-four".