6612521928 has 16 divisors (see below), whose sum is σ = 16531304880. Its totient is φ = 2204173968.

The previous prime is 6612521921. The next prime is 6612522013. The reversal of 6612521928 is 8291252166.

It is a self number, because there is not a number n which added to its sum of digits gives 6612521928.

It is not an unprimeable number, because it can be changed into a prime (6612521921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137760850 + ... + 137760897.

It is an arithmetic number, because the mean of its divisors is an integer number (1033206555).

Almost surely, 2^6612521928 is an apocalyptic number.

It is an amenable number.

6612521928 is an abundant number, since it is smaller than the sum of its proper divisors (9918782952).

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

6612521928 is a wasteful number, since it uses less digits than its factorization.

6612521928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275521756 (or 275521752 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 6612521928 is about 81317.4146662325. The cubic root of 6612521928 is about 1876.9629862437.

The spelling of 6612521928 in words is "six billion, six hundred twelve million, five hundred twenty-one thousand, nine hundred twenty-eight".