6816667992 has 32 divisors (see below), whose sum is σ = 17043694080. Its totient is φ = 2271952800.

The previous prime is 6816667967. The next prime is 6816667997. The reversal of 6816667992 is 2997666186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816667997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379617 + ... + 397167.

It is an arithmetic number, because the mean of its divisors is an integer number (532615440).

Almost surely, 2^6816667992 is an apocalyptic number.

It is an amenable number.

6816667992 is an abundant number, since it is smaller than the sum of its proper divisors (10227026088).

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

6816667992 is a wasteful number, since it uses less digits than its factorization.

6816667992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33743 (or 33739 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The square root of 6816667992 is about 82563.1152028556. The cubic root of 6816667992 is about 1896.0831583281.

The spelling of 6816667992 in words is "six billion, eight hundred sixteen million, six hundred sixty-seven thousand, nine hundred ninety-two".