6538156 has 12 divisors (see below), whose sum is σ = 11468520. Its totient is φ = 3261440.

The previous prime is 6538151. The next prime is 6538157. The reversal of 6538156 is 6518356.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6538151) 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, 300 + ... + 3628.

It is an arithmetic number, because the mean of its divisors is an integer number (955710).

Almost surely, 2^6538156 is an apocalyptic number.

It is an amenable number.

6538156 is a deficient number, since it is larger than the sum of its proper divisors (4930364).

6538156 is a wasteful number, since it uses less digits than its factorization.

6538156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3822 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 6538156 is about 2556.9818145618. The cubic root of 6538156 is about 186.9900191991.

The spelling of 6538156 in words is "six million, five hundred thirty-eight thousand, one hundred fifty-six".