659648000 has 160 divisors (see below), whose sum is σ = 1796322528. Its totient is φ = 239616000.

The previous prime is 659647997. The next prime is 659648021. The reversal of 659648000 is 846956.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703532 + ... + 704468.

Almost surely, 2^659648000 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 659648000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898161264).

659648000 is an abundant number, since it is smaller than the sum of its proper divisors (1136674528).

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

659648000 is an equidigital number, since it uses as much as digits as its factorization.

659648000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 659648000 is about 25683.6134529392. The cubic root of 659648000 is about 870.5039578109.

The spelling of 659648000 in words is "six hundred fifty-nine million, six hundred forty-eight thousand".