6564156 has 24 divisors (see below), whose sum is σ = 15606864. Its totient is φ = 2146560.

The previous prime is 6564143. The next prime is 6564167. The reversal of 6564156 is 6514656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4525 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (650286).

Almost surely, 2^6564156 is an apocalyptic number.

It is an amenable number.

6564156 is an abundant number, since it is smaller than the sum of its proper divisors (9042708).

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

6564156 is a wasteful number, since it uses less digits than its factorization.

6564156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381 (or 10379 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 6564156 is about 2562.0608892062. The cubic root of 6564156 is about 187.2375563848.

The spelling of 6564156 in words is "six million, five hundred sixty-four thousand, one hundred fifty-six".