6659040960 has 1344 divisors, whose sum is σ = 30355153920. Its totient is φ = 1313832960.

The previous prime is 6659040907. The next prime is 6659040961. The reversal of 6659040960 is 690409566.

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

It is not an unprimeable number, because it can be changed into a prime (6659040961) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 179974062 + ... + 179974098.

It is an arithmetic number, because the mean of its divisors is an integer number (22585680).

Almost surely, 2^6659040960 is an apocalyptic number.

6659040960 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 6659040960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15177576960).

6659040960 is an abundant number, since it is smaller than the sum of its proper divisors (23696112960).

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

6659040960 is a wasteful number, since it uses less digits than its factorization.

6659040960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 6659040960 is about 81602.9470056076. The cubic root of 6659040960 is about 1881.3541775033.

The spelling of 6659040960 in words is "six billion, six hundred fifty-nine million, forty thousand, nine hundred sixty".