6673666788 has 60 divisors (see below), whose sum is σ = 17519483520. Its totient is φ = 2215222128.

The previous prime is 6673666787. The next prime is 6673666793. The reversal of 6673666788 is 8876663766.

It is not an unprimeable number, because it can be changed into a prime (6673666781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34345 + ... + 120527.

It is an arithmetic number, because the mean of its divisors is an integer number (291991392).

Almost surely, 2^6673666788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6673666788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8759741760).

6673666788 is an abundant number, since it is smaller than the sum of its proper divisors (10845816732).

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

6673666788 is a wasteful number, since it uses less digits than its factorization.

6673666788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86438 (or 86427 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The square root of 6673666788 is about 81692.5136594535. The cubic root of 6673666788 is about 1882.7305639728.

The spelling of 6673666788 in words is "six billion, six hundred seventy-three million, six hundred sixty-six thousand, seven hundred eighty-eight".