6816156 has 48 divisors (see below), whose sum is σ = 16708608. Its totient is φ = 2160000.

The previous prime is 6816151. The next prime is 6816157. The reversal of 6816156 is 6516186.

6816156 = T₉₆ + T₉₇ + ... + T₃₄₆.

Its product of digits (8640) is a multiple of the sum of its prime divisors (360).

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 in 15 ways as a sum of consecutive naturals, for example, 27031 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (348096).

Almost surely, 2^6816156 is an apocalyptic number.

It is an amenable number.

6816156 is an abundant number, since it is smaller than the sum of its proper divisors (9892452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6816156 is a wasteful number, since it uses less digits than its factorization.

6816156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 6816156 is about 2610.7768958684. The cubic root of 6816156 is about 189.6035686273.

The spelling of 6816156 in words is "six million, eight hundred sixteen thousand, one hundred fifty-six".