6630255 has 56 divisors (see below), whose sum is σ = 12748752. Its totient is φ = 3297024.

The previous prime is 6630229. The next prime is 6630257. The reversal of 6630255 is 5520366.

6630255 is a `hidden beast` number, since 6 + 630 + 25 + 5 = 666.

It is not a de Polignac number, because 6630255 - 2⁵ = 6630223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

6630255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630257) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 61912 + ... + 62018.

Almost surely, 2^6630255 is an apocalyptic number.

6630255 is a deficient number, since it is larger than the sum of its proper divisors (6118497).

6630255 is a wasteful number, since it uses less digits than its factorization.

6630255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6630255 is about 2574.9281543375. The cubic root of 6630255 is about 187.8639331571.

The spelling of 6630255 in words is "six million, six hundred thirty thousand, two hundred fifty-five".