6658065760 has 96 divisors (see below), whose sum is σ = 16439334912. Its totient is φ = 2543439360.

The previous prime is 6658065721. The next prime is 6658065773. The reversal of 6658065760 is 675608566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3557625 + ... + 3559495.

It is an arithmetic number, because the mean of its divisors is an integer number (171243072).

Almost surely, 2^6658065760 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 6658065760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8219667456).

6658065760 is an abundant number, since it is smaller than the sum of its proper divisors (9781269152).

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

6658065760 is a wasteful number, since it uses less digits than its factorization.

6658065760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2868 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 6658065760 is about 81596.9715124281. The cubic root of 6658065760 is about 1881.2623331384.

The spelling of 6658065760 in words is "six billion, six hundred fifty-eight million, sixty-five thousand, seven hundred sixty".