659048560 has 80 divisors (see below), whose sum is σ = 1562310720. Its totient is φ = 258508800.

The previous prime is 659048549. The next prime is 659048567. The reversal of 659048560 is 65840956.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659048567) 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, 1074814 + ... + 1075426.

It is an arithmetic number, because the mean of its divisors is an integer number (19528884).

Almost surely, 2^659048560 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 659048560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781155360).

659048560 is an abundant number, since it is smaller than the sum of its proper divisors (903262160).

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

659048560 is a wasteful number, since it uses less digits than its factorization.

659048560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 659048560 is about 25671.9411030798. The cubic root of 659048560 is about 870.2401943923.

The spelling of 659048560 in words is "six hundred fifty-nine million, forty-eight thousand, five hundred sixty".