6564016 has 20 divisors (see below), whose sum is σ = 13271472. Its totient is φ = 3139136.

The previous prime is 6564011. The next prime is 6564043. The reversal of 6564016 is 6104656.

It is not an unprimeable number, because it can be changed into a prime (6564011) 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, 8551 + ... + 9286.

Almost surely, 2^6564016 is an apocalyptic number.

It is an amenable number.

6564016 is an abundant number, since it is smaller than the sum of its proper divisors (6707456).

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

6564016 is a wasteful number, since it uses less digits than its factorization.

6564016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868 (or 17862 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6564016 is about 2562.0335673055. The cubic root of 6564016 is about 187.2362252442.

It can be divided in two parts, 65640 and 16, that added together give a palindrome (65656).

The spelling of 6564016 in words is "six million, five hundred sixty-four thousand, sixteen".