660129042960 has 480 divisors, whose sum is σ = 2360277504000. Its totient is φ = 164874092544.

The previous prime is 660129042959. The next prime is 660129042977. The reversal of 660129042960 is 69240921066.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 710579776 + ... + 710580704.

It is an arithmetic number, because the mean of its divisors is an integer number (4917244800).

Almost surely, 2^660129042960 is an apocalyptic number.

660129042960 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 660129042960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180138752000).

660129042960 is an abundant number, since it is smaller than the sum of its proper divisors (1700148461040).

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

660129042960 is a wasteful number, since it uses less digits than its factorization.

660129042960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 660129042960 in words is "six hundred sixty billion, one hundred twenty-nine million, forty-two thousand, nine hundred sixty".