6689315180 has 48 divisors (see below), whose sum is σ = 14820960000. Its totient is φ = 2529061056.

The previous prime is 6689315179. The next prime is 6689315203. The reversal of 6689315180 is 815139866.

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 15 ways as a sum of consecutive naturals, for example, 146771 + ... + 186869.

It is an arithmetic number, because the mean of its divisors is an integer number (308770000).

Almost surely, 2^6689315180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6689315180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7410480000).

6689315180 is an abundant number, since it is smaller than the sum of its proper divisors (8131644820).

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

6689315180 is a wasteful number, since it uses less digits than its factorization.

6689315180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40566 (or 40564 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 6689315180 is about 81788.2337503384. The cubic root of 6689315180 is about 1884.2009554653.

The spelling of 6689315180 in words is "six billion, six hundred eighty-nine million, three hundred fifteen thousand, one hundred eighty".