6679918 has 16 divisors (see below), whose sum is σ = 11846880. Its totient is φ = 2763936.

The previous prime is 6679901. The next prime is 6679919. The reversal of 6679918 is 8199766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679919) 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, 7821 + ... + 8632.

It is an arithmetic number, because the mean of its divisors is an integer number (740430).

Almost surely, 2^6679918 is an apocalyptic number.

6679918 is a deficient number, since it is larger than the sum of its proper divisors (5166962).

6679918 is a wasteful number, since it uses less digits than its factorization.

6679918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16491.

The product of its digits is 163296, while the sum is 46.

The square root of 6679918 is about 2584.5537332391. The cubic root of 6679918 is about 188.3318230664.

It can be divided in two parts, 667 and 9918, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 6679918 in words is "six million, six hundred seventy-nine thousand, nine hundred eighteen".