6663180804 has 96 divisors (see below), whose sum is σ = 18876211200. Its totient is φ = 1785825792.

The previous prime is 6663180761. The next prime is 6663180817. The reversal of 6663180804 is 4080813666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430797 + ... + 445995.

It is an arithmetic number, because the mean of its divisors is an integer number (196627200).

Almost surely, 2^6663180804 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 6663180804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9438105600).

6663180804 is an abundant number, since it is smaller than the sum of its proper divisors (12213030396).

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

6663180804 is a wasteful number, since it uses less digits than its factorization.

6663180804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15537 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 6663180804 is about 81628.3088395196. The cubic root of 6663180804 is about 1881.7439683356.

The spelling of 6663180804 in words is "six billion, six hundred sixty-three million, one hundred eighty thousand, eight hundred four".