6663506260 has 24 divisors (see below), whose sum is σ = 14100188256. Its totient is φ = 2645054880.

The previous prime is 6663506251. The next prime is 6663506261. The reversal of 6663506260 is 626053666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663506261) 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, 1269042 + ... + 1274281.

It is an arithmetic number, because the mean of its divisors is an integer number (587507844).

Almost surely, 2^6663506260 is an apocalyptic number.

It is an amenable number.

6663506260 is an abundant number, since it is smaller than the sum of its proper divisors (7436681996).

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

6663506260 is a wasteful number, since it uses less digits than its factorization.

6663506260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543463 (or 2543461 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 6663506260 is about 81630.3023392661. The cubic root of 6663506260 is about 1881.7746050996.

The spelling of 6663506260 in words is "six billion, six hundred sixty-three million, five hundred six thousand, two hundred sixty".