6663044 has 6 divisors (see below), whose sum is σ = 11660334. Its totient is φ = 3331520.

The previous prime is 6663043. The next prime is 6663067. The reversal of 6663044 is 4403666.

6663044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 262144 = 2530^2 + 512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6662998 and 6663016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832877 + ... + 832884.

It is an arithmetic number, because the mean of its divisors is an integer number (1943389).

Almost surely, 2^6663044 is an apocalyptic number.

It is an amenable number.

6663044 is a deficient number, since it is larger than the sum of its proper divisors (4997290).

6663044 is a wasteful number, since it uses less digits than its factorization.

6663044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665765 (or 1665763 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 6663044 is about 2581.2872757599. The cubic root of 6663044 is about 188.1731090009.

The spelling of 6663044 in words is "six million, six hundred sixty-three thousand, forty-four".