6688341085 has 8 divisors (see below), whose sum is σ = 8029101240. Its totient is φ = 5348611584.

The previous prime is 6688341073. The next prime is 6688341091. The reversal of 6688341085 is 5801438866.

It can be written as a sum of positive squares in 4 ways, for example, as 1856144889 + 4832196196 = 43083^2 + 69514^2 .

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 6688341085 - 2⁵ = 6688341053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243312 + ... + 269401.

It is an arithmetic number, because the mean of its divisors is an integer number (1003637655).

Almost surely, 2^6688341085 is an apocalyptic number.

It is an amenable number.

6688341085 is a deficient number, since it is larger than the sum of its proper divisors (1340760155).

6688341085 is a wasteful number, since it uses less digits than its factorization.

6688341085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515327.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 6688341085 is about 81782.2785510406. The cubic root of 6688341085 is about 1884.1094922001.

The spelling of 6688341085 in words is "six billion, six hundred eighty-eight million, three hundred forty-one thousand, eighty-five".