6766044666 has 24 divisors (see below), whose sum is σ = 14281794144. Its totient is φ = 2136645000.

The previous prime is 6766044631. The next prime is 6766044667. The reversal of 6766044666 is 6664406676.

It is not an unprimeable number, because it can be changed into a prime (6766044667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559710 + ... + 1564041.

It is an arithmetic number, because the mean of its divisors is an integer number (595074756).

Almost surely, 2^6766044666 is an apocalyptic number.

6766044666 is an abundant number, since it is smaller than the sum of its proper divisors (7515749478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6766044666 is a wasteful number, since it uses less digits than its factorization.

6766044666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123794 (or 3123775 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 51.

The square root of 6766044666 is about 82255.9703972909. The cubic root of 6766044666 is about 1891.3777982946.

The spelling of 6766044666 in words is "six billion, seven hundred sixty-six million, forty-four thousand, six hundred sixty-six".