6658883680 has 192 divisors, whose sum is σ = 17190169920. Its totient is φ = 2436145152.

The previous prime is 6658883657. The next prime is 6658883681. The reversal of 6658883680 is 863888566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658883681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33801342 + ... + 33801538.

It is an arithmetic number, because the mean of its divisors is an integer number (89532135).

Almost surely, 2^6658883680 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 6658883680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8595084960).

6658883680 is an abundant number, since it is smaller than the sum of its proper divisors (10531286240).

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

6658883680 is a wasteful number, since it uses less digits than its factorization.

6658883680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 58.

The square root of 6658883680 is about 81601.9833092309. The cubic root of 6658883680 is about 1881.3393654748.

The spelling of 6658883680 in words is "six billion, six hundred fifty-eight million, eight hundred eighty-three thousand, six hundred eighty".