6686573352 has 32 divisors (see below), whose sum is σ = 16744946400. Its totient is φ = 2225056064.

The previous prime is 6686573339. The next prime is 6686573353. The reversal of 6686573352 is 2533756866.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6686573295 and 6686573304.

It is not an unprimeable number, because it can be changed into a prime (6686573353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223227 + ... + 251402.

It is an arithmetic number, because the mean of its divisors is an integer number (523279575).

Almost surely, 2^6686573352 is an apocalyptic number.

It is an amenable number.

6686573352 is an abundant number, since it is smaller than the sum of its proper divisors (10058373048).

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

6686573352 is a wasteful number, since it uses less digits than its factorization.

6686573352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475225 (or 475221 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 51.

The square root of 6686573352 is about 81771.4702815108. The cubic root of 6686573352 is about 1883.9434871099.

The spelling of 6686573352 in words is "six billion, six hundred eighty-six million, five hundred seventy-three thousand, three hundred fifty-two".