659201083728 has 160 divisors (see below), whose sum is σ = 1919482478592. Its totient is φ = 193131993600.

The previous prime is 659201083727. The next prime is 659201083747. The reversal of 659201083728 is 827380102956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659201083721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17871801 + ... + 17908647.

Almost surely, 2^659201083728 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 659201083728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959741239296).

659201083728 is an abundant number, since it is smaller than the sum of its proper divisors (1260281394864).

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

659201083728 is a wasteful number, since it uses less digits than its factorization.

659201083728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37993 (or 37987 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 659201083728 in words is "six hundred fifty-nine billion, two hundred one million, eighty-three thousand, seven hundred twenty-eight".