9660519960 has 384 divisors, whose sum is σ = 37984826880. Its totient is φ = 1917886464.

The previous prime is 9660519959. The next prime is 9660519971. The reversal of 9660519960 is 699150669.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 2411319 + ... + 2415321.

It is an arithmetic number, because the mean of its divisors is an integer number (98918820).

Almost surely, 2^9660519960 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 9660519960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18992413440).

9660519960 is an abundant number, since it is smaller than the sum of its proper divisors (28324306920).

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

9660519960 is a wasteful number, since it uses less digits than its factorization.

9660519960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 9660519960 is about 98287.9441233766. The cubic root of 9660519960 is about 2129.7739009272.

The spelling of 9660519960 in words is "nine billion, six hundred sixty million, five hundred nineteen thousand, nine hundred sixty".