6684916608 has 64 divisors (see below), whose sum is σ = 19729798800. Its totient is φ = 2228304384.

The previous prime is 6684916607. The next prime is 6684916631. The reversal of 6684916608 is 8066194866.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×6684916608² = 89376220111828451328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684916603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963691 + ... + 970602.

Almost surely, 2^6684916608 is an apocalyptic number.

It is an amenable number.

6684916608 is an abundant number, since it is smaller than the sum of its proper divisors (13044882192).

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

6684916608 is a wasteful number, since it uses less digits than its factorization.

6684916608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934316 (or 1934298 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6684916608 is about 81761.3393236681. The cubic root of 6684916608 is about 1883.7878782640.

The spelling of 6684916608 in words is "six billion, six hundred eighty-four million, nine hundred sixteen thousand, six hundred eight".