6816158 has 4 divisors (see below), whose sum is σ = 10224240. Its totient is φ = 3408078.

The previous prime is 6816157. The next prime is 6816163. The reversal of 6816158 is 8516186.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704038 + ... + 1704041.

It is an arithmetic number, because the mean of its divisors is an integer number (2556060).

Almost surely, 2^6816158 is an apocalyptic number.

6816158 is a deficient number, since it is larger than the sum of its proper divisors (3408082).

6816158 is a wasteful number, since it uses less digits than its factorization.

6816158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408081.

The product of its digits is 11520, while the sum is 35.

The square root of 6816158 is about 2610.7772788961. Note that the first 3 decimals coincide. The cubic root of 6816158 is about 189.6035871718.

The spelling of 6816158 in words is "six million, eight hundred sixteen thousand, one hundred fifty-eight".