6616245956 has 6 divisors (see below), whose sum is σ = 11578430430. Its totient is φ = 3308122976.

The previous prime is 6616245953. The next prime is 6616245967. The reversal of 6616245956 is 6595426166.

It can be written as a sum of positive squares in only one way, i.e., 4511271556 + 2104974400 = 67166^2 + 45880^2 .

It is not an unprimeable number, because it can be changed into a prime (6616245953) by changing a digit.

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 as a sum of consecutive naturals, namely, 827030741 + ... + 827030748.

It is an arithmetic number, because the mean of its divisors is an integer number (1929738405).

Almost surely, 2^6616245956 is an apocalyptic number.

It is an amenable number.

6616245956 is a deficient number, since it is larger than the sum of its proper divisors (4962184474).

6616245956 is a wasteful number, since it uses less digits than its factorization.

6616245956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654061493 (or 1654061491 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 6616245956 is about 81340.3095396126. The cubic root of 6616245956 is about 1877.3152749783.

The spelling of 6616245956 in words is "six billion, six hundred sixteen million, two hundred forty-five thousand, nine hundred fifty-six".