6650539828 has 36 divisors (see below), whose sum is σ = 12300577380. Its totient is φ = 3145809024.

The previous prime is 6650539817. The next prime is 6650539837. The reversal of 6650539828 is 8289350566.

It can be written as a sum of positive squares in 2 ways, for example, as 3340608804 + 3309931024 = 57798^2 + 57532^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165350 + ... + 1171042.

It is an arithmetic number, because the mean of its divisors is an integer number (341682705).

Almost surely, 2^6650539828 is an apocalyptic number.

It is an amenable number.

6650539828 is a deficient number, since it is larger than the sum of its proper divisors (5650037552).

6650539828 is a wasteful number, since it uses less digits than its factorization.

6650539828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The square root of 6650539828 is about 81550.8419821647. The cubic root of 6650539828 is about 1880.5532387938.

The spelling of 6650539828 in words is "six billion, six hundred fifty million, five hundred thirty-nine thousand, eight hundred twenty-eight".