6165564 has 48 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 1936000.

The previous prime is 6165563. The next prime is 6165581. The reversal of 6165564 is 4655616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24439 + ... + 24689.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^6165564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6165564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7620480).

6165564 is an abundant number, since it is smaller than the sum of its proper divisors (9075396).

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

6165564 is a wasteful number, since it uses less digits than its factorization.

6165564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

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

The square root of 6165564 is about 2483.0553759431. The cubic root of 6165564 is about 183.3683048071.

The spelling of 6165564 in words is "six million, one hundred sixty-five thousand, five hundred sixty-four".