6643255230 has 32 divisors (see below), whose sum is σ = 17715348000. Its totient is φ = 1771534656.

The previous prime is 6643255219. The next prime is 6643255259. The reversal of 6643255230 is 325523466.

6643255230 is a `hidden beast` number, since 6 + 643 + 2 + 5 + 5 + 2 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12302055 + ... + 12302594.

It is an arithmetic number, because the mean of its divisors is an integer number (553604625).

Almost surely, 2^6643255230 is an apocalyptic number.

6643255230 is an abundant number, since it is smaller than the sum of its proper divisors (11072092770).

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

6643255230 is a wasteful number, since it uses less digits than its factorization.

6643255230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24604665 (or 24604659 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 6643255230 is about 81506.1668219037. The cubic root of 6643255230 is about 1879.8663732924.

Adding to 6643255230 its reverse (325523466), we get a palindrome (6968778696).

The spelling of 6643255230 in words is "six billion, six hundred forty-three million, two hundred fifty-five thousand, two hundred thirty".