660759203328 has 320 divisors, whose sum is σ = 2044268920320. Its totient is φ = 185752092672.

The previous prime is 660759203309. The next prime is 660759203347. The reversal of 660759203328 is 823302957066.

It is an interprime number because it is at equal distance from previous prime (660759203309) and next prime (660759203347).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452884263 + ... + 452885721.

It is an arithmetic number, because the mean of its divisors is an integer number (6388340376).

Almost surely, 2^660759203328 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 660759203328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022134460160).

660759203328 is an abundant number, since it is smaller than the sum of its proper divisors (1383509716992).

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

660759203328 is a wasteful number, since it uses less digits than its factorization.

660759203328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 660759203328 in words is "six hundred sixty billion, seven hundred fifty-nine million, two hundred three thousand, three hundred twenty-eight".