6688226892 has 12 divisors (see below), whose sum is σ = 15605862776. Its totient is φ = 2229408960.

The previous prime is 6688226891. The next prime is 6688226953. The reversal of 6688226892 is 2986228866.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6688226891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278676109 + ... + 278676132.

Almost surely, 2^6688226892 is an apocalyptic number.

It is an amenable number.

6688226892 is an abundant number, since it is smaller than the sum of its proper divisors (8917635884).

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

6688226892 is a wasteful number, since it uses less digits than its factorization.

6688226892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557352248 (or 557352246 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 57.

The square root of 6688226892 is about 81781.5803955879. The cubic root of 6688226892 is about 1884.0987693947.

The spelling of 6688226892 in words is "six billion, six hundred eighty-eight million, two hundred twenty-six thousand, eight hundred ninety-two".