6688581324 has 48 divisors (see below), whose sum is σ = 16673328000. Its totient is φ = 2080653696.

The previous prime is 6688581323. The next prime is 6688581413. The reversal of 6688581324 is 4231858866.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6688581323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203649 + ... + 234200.

It is an arithmetic number, because the mean of its divisors is an integer number (347361000).

Almost surely, 2^6688581324 is an apocalyptic number.

It is an amenable number.

6688581324 is an abundant number, since it is smaller than the sum of its proper divisors (9984746676).

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

6688581324 is a wasteful number, since it uses less digits than its factorization.

6688581324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437942 (or 437940 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 6688581324 is about 81783.7473095969. The cubic root of 6688581324 is about 1884.1320504177.

The spelling of 6688581324 in words is "six billion, six hundred eighty-eight million, five hundred eighty-one thousand, three hundred twenty-four".