659789696880 has 640 divisors, whose sum is σ = 2643130828800. Its totient is φ = 150054322176.

The previous prime is 659789696837. The next prime is 659789697023. The reversal of 659789696880 is 88696987956.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 659789696880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16026082 + ... + 16067198.

It is an arithmetic number, because the mean of its divisors is an integer number (4129891920).

Almost surely, 2^659789696880 is an apocalyptic number.

659789696880 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 659789696880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321565414400).

659789696880 is an abundant number, since it is smaller than the sum of its proper divisors (1983341131920).

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

659789696880 is a wasteful number, since it uses less digits than its factorization.

659789696880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41198 (or 41186 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 81.

The spelling of 659789696880 in words is "six hundred fifty-nine billion, seven hundred eighty-nine million, six hundred ninety-six thousand, eight hundred eighty".