6686589336 has 32 divisors (see below), whose sum is σ = 19104541440. Its totient is φ = 1910454048.

The previous prime is 6686589281. The next prime is 6686589353. The reversal of 6686589336 is 6339856866.

It is a self number, because there is not a number n which added to its sum of digits gives 6686589336.

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, 19900396 + ... + 19900731.

It is an arithmetic number, because the mean of its divisors is an integer number (597016920).

Almost surely, 2^6686589336 is an apocalyptic number.

It is an amenable number.

6686589336 is an abundant number, since it is smaller than the sum of its proper divisors (12417952104).

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

6686589336 is a wasteful number, since it uses less digits than its factorization.

6686589336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39801143 (or 39801139 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 60.

The square root of 6686589336 is about 81771.5680172516. The cubic root of 6686589336 is about 1883.9449882738.

The spelling of 6686589336 in words is "six billion, six hundred eighty-six million, five hundred eighty-nine thousand, three hundred thirty-six".