6609725130960 has 640 divisors, whose sum is σ = 28086773760000. Its totient is φ = 1395274180608.

The previous prime is 6609725130949. The next prime is 6609725130997. The reversal of 6609725130960 is 690315279066.

6609725130960 is a `hidden beast` number, since 6 + 60 + 9 + 7 + 2 + 513 + 0 + 9 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6609725130897 and 6609725130906.

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, 9757341 + ... + 10412739.

It is an arithmetic number, because the mean of its divisors is an integer number (43885584000).

Almost surely, 2^{6609725130960} is an apocalyptic number.

6609725130960 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 6609725130960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14043386880000).

6609725130960 is an abundant number, since it is smaller than the sum of its proper divisors (21477048629040).

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

6609725130960 is a wasteful number, since it uses less digits than its factorization.

6609725130960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655480 (or 655468 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 6609725130960 in words is "six trillion, six hundred nine billion, seven hundred twenty-five million, one hundred thirty thousand, nine hundred sixty".