6688604171 has 8 divisors (see below), whose sum is σ = 7083585024. Its totient is φ = 6302304360.

The previous prime is 6688604161. The next prime is 6688604177. The reversal of 6688604171 is 1714068866.

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

It is a cyclic number.

It is not a de Polignac number, because 6688604171 - 2⁶ = 6688604107 is a prime.

It is a super-3 number, since 3×6688604171³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6688604177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168675 + ... + 2171756.

It is an arithmetic number, because the mean of its divisors is an integer number (885448128).

Almost surely, 2^6688604171 is an apocalyptic number.

6688604171 is a deficient number, since it is larger than the sum of its proper divisors (394980853).

6688604171 is a wasteful number, since it uses less digits than its factorization.

6688604171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340521.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 6688604171 is about 81783.8869888195. The cubic root of 6688604171 is about 1884.1341957015.

The spelling of 6688604171 in words is "six billion, six hundred eighty-eight million, six hundred four thousand, one hundred seventy-one".