8466840668 has 24 divisors (see below), whose sum is σ = 17407351920. Its totient is φ = 3552520320.

The previous prime is 8466840659. The next prime is 8466840689. The reversal of 8466840668 is 8660486648.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7400513 + ... + 7401656.

It is an arithmetic number, because the mean of its divisors is an integer number (725306330).

Almost surely, 2^8466840668 is an apocalyptic number.

It is an amenable number.

8466840668 is an abundant number, since it is smaller than the sum of its proper divisors (8940511252).

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

8466840668 is a wasteful number, since it uses less digits than its factorization.

8466840668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14802197 (or 14802195 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The square root of 8466840668 is about 92015.4371179097. The cubic root of 8466840668 is about 2038.1702698402.

The spelling of 8466840668 in words is "eight billion, four hundred sixty-six million, eight hundred forty thousand, six hundred sixty-eight".