6630766 has 8 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 3234480.

The previous prime is 6630749. The next prime is 6630769. The reversal of 6630766 is 6670366.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40350 + ... + 40513.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^6630766 is an apocalyptic number.

6630766 is a deficient number, since it is larger than the sum of its proper divisors (3558098).

6630766 is a wasteful number, since it uses less digits than its factorization.

6630766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80906.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 6630766 is about 2575.0273784952. The cubic root of 6630766 is about 187.8687593166.

It can be divided in two parts, 6630 and 766, that added together give a square (7396 = 86²).

The spelling of 6630766 in words is "six million, six hundred thirty thousand, seven hundred sixty-six".