6000663 has 4 divisors (see below), whose sum is σ = 8000888. Its totient is φ = 4000440.

The previous prime is 6000653. The next prime is 6000679. The reversal of 6000663 is 3660006.

6000663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6000663 - 2¹⁰ = 5999639 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6000653) 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 in 3 ways as a sum of consecutive naturals, for example, 1000108 + ... + 1000113.

It is an arithmetic number, because the mean of its divisors is an integer number (2000222).

Almost surely, 2^6000663 is an apocalyptic number.

6000663 is a deficient number, since it is larger than the sum of its proper divisors (2000225).

6000663 is a wasteful number, since it uses less digits than its factorization.

6000663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000224.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 6000663 is about 2449.6250733531. The cubic root of 6000663 is about 181.7187520976.

Adding to 6000663 its reverse (3660006), we get a palindrome (9660669).

The spelling of 6000663 in words is "six million, six hundred sixty-three", and thus it is an aban number.