6678112816 has 20 divisors (see below), whose sum is σ = 12942577624. Its totient is φ = 3338092800.

The previous prime is 6678112811. The next prime is 6678112823. The reversal of 6678112816 is 6182118766.

It is not an unprimeable number, because it can be changed into a prime (6678112811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305 + ... + 115576.

Almost surely, 2^6678112816 is an apocalyptic number.

It is an amenable number.

6678112816 is a deficient number, since it is larger than the sum of its proper divisors (6264464808).

6678112816 is a wasteful number, since it uses less digits than its factorization.

6678112816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120460 (or 120454 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 6678112816 is about 81719.7210959509. The cubic root of 6678112816 is about 1883.1485657948.

It can be divided in two parts, 66781 and 12816, that added together give a palindrome (79597).

The spelling of 6678112816 in words is "six billion, six hundred seventy-eight million, one hundred twelve thousand, eight hundred sixteen".