6816662 has 4 divisors (see below), whose sum is σ = 10224996. Its totient is φ = 3408330.

The previous prime is 6816659. The next prime is 6816679. The reversal of 6816662 is 2666186.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704164 + ... + 1704167.

It is an arithmetic number, because the mean of its divisors is an integer number (2556249).

Almost surely, 2^6816662 is an apocalyptic number.

6816662 is a deficient number, since it is larger than the sum of its proper divisors (3408334).

6816662 is a wasteful number, since it uses less digits than its factorization.

6816662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408333.

The product of its digits is 20736, while the sum is 35.

The square root of 6816662 is about 2610.8738000907. The cubic root of 6816662 is about 189.6082602762.

The spelling of 6816662 in words is "six million, eight hundred sixteen thousand, six hundred sixty-two".