6544560 has 160 divisors (see below), whose sum is σ = 23069952. Its totient is φ = 1520640.

The previous prime is 6544547. The next prime is 6544579. The reversal of 6544560 is 654456.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97647 + ... + 97713.

Almost surely, 2^6544560 is an apocalyptic number.

6544560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6544560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11534976).

6544560 is an abundant number, since it is smaller than the sum of its proper divisors (16525392).

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

6544560 is a wasteful number, since it uses less digits than its factorization.

6544560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6544560 is about 2558.2337657063. The cubic root of 6544560 is about 187.0510503381.

The spelling of 6544560 in words is "six million, five hundred forty-four thousand, five hundred sixty".