660133982592 has 384 divisors, whose sum is σ = 2268307791360. Its totient is φ = 180175159296.

The previous prime is 660133982567. The next prime is 660133982621. The reversal of 660133982592 is 295289331066.

660133982592 is a `hidden beast` number, since 6 + 6 + 0 + 13 + 39 + 8 + 2 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181204323 + ... + 181207965.

It is an arithmetic number, because the mean of its divisors is an integer number (5907051540).

Almost surely, 2^660133982592 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 660133982592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134153895680).

660133982592 is an abundant number, since it is smaller than the sum of its proper divisors (1608173808768).

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

660133982592 is a wasteful number, since it uses less digits than its factorization.

660133982592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 660133982592 in words is "six hundred sixty billion, one hundred thirty-three million, nine hundred eighty-two thousand, five hundred ninety-two".