6813061672 has 16 divisors (see below), whose sum is σ = 12825388800. Its totient is φ = 3392958000.

The previous prime is 6813061657. The next prime is 6813061747. The reversal of 6813061672 is 2761603186.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1694472 + ... + 1698487.

It is an arithmetic number, because the mean of its divisors is an integer number (801586800).

Almost surely, 2^6813061672 is an apocalyptic number.

It is an amenable number.

6813061672 is a deficient number, since it is larger than the sum of its proper divisors (6012327128).

6813061672 is a wasteful number, since it uses less digits than its factorization.

6813061672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393216 (or 3393212 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6813061672 is about 82541.2725368346. The cubic root of 6813061672 is about 1895.7487286221.

The spelling of 6813061672 in words is "six billion, eight hundred thirteen million, sixty-one thousand, six hundred seventy-two".