6559960 has 64 divisors (see below), whose sum is σ = 17068320. Its totient is φ = 2242560.

The previous prime is 6559957. The next prime is 6559961. The reversal of 6559960 is 699556.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7042 + ... + 7918.

Almost surely, 2^6559960 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 6559960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8534160).

6559960 is an abundant number, since it is smaller than the sum of its proper divisors (10508360).

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

6559960 is a wasteful number, since it uses less digits than its factorization.

6559960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 6559960 is about 2561.2418862731. The cubic root of 6559960 is about 187.1976519782.

It can be divided in two parts, 65 and 59960, that added together give a square (60025 = 245²).

The spelling of 6559960 in words is "six million, five hundred fifty-nine thousand, nine hundred sixty".