660107444832 has 576 divisors, whose sum is σ = 2208939393024. Its totient is φ = 184772689920.

The previous prime is 660107444831. The next prime is 660107444999. The reversal of 660107444832 is 238444701066.

660107444832 is a `hidden beast` number, since 6 + 60 + 107 + 4 + 4 + 483 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660107444831) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 704489868 + ... + 704490804.

It is an arithmetic number, because the mean of its divisors is an integer number (3834964224).

Almost surely, 2^660107444832 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 660107444832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104469696512).

660107444832 is an abundant number, since it is smaller than the sum of its proper divisors (1548831948192).

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

660107444832 is a wasteful number, since it uses less digits than its factorization.

660107444832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 660107444832 in words is "six hundred sixty billion, one hundred seven million, four hundred forty-four thousand, eight hundred thirty-two".