6630218255 has 8 divisors (see below), whose sum is σ = 7981362432. Its totient is φ = 5287440928.

The previous prime is 6630218251. The next prime is 6630218269. The reversal of 6630218255 is 5528120366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6630218255 - 2² = 6630218251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630218251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089967 + ... + 2093136.

It is an arithmetic number, because the mean of its divisors is an integer number (997670304).

Almost surely, 2^6630218255 is an apocalyptic number.

6630218255 is a deficient number, since it is larger than the sum of its proper divisors (1351144177).

6630218255 is a wasteful number, since it uses less digits than its factorization.

6630218255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183425.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 6630218255 is about 81426.1521564172. The cubic root of 6630218255 is about 1878.6358610800.

The spelling of 6630218255 in words is "six billion, six hundred thirty million, two hundred eighteen thousand, two hundred fifty-five".