6611348728 has 64 divisors (see below), whose sum is σ = 13099806720. Its totient is φ = 3124396800.

The previous prime is 6611348683. The next prime is 6611348729. The reversal of 6611348728 is 8278431166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611348729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789363 + ... + 1793053.

It is an arithmetic number, because the mean of its divisors is an integer number (204684480).

Almost surely, 2^6611348728 is an apocalyptic number.

It is an amenable number.

6611348728 is a deficient number, since it is larger than the sum of its proper divisors (6488457992).

6611348728 is a wasteful number, since it uses less digits than its factorization.

6611348728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3904 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 6611348728 is about 81310.2006392802. The cubic root of 6611348728 is about 1876.8519754855.

The spelling of 6611348728 in words is "six billion, six hundred eleven million, three hundred forty-eight thousand, seven hundred twenty-eight".