6506647016 has 8 divisors (see below), whose sum is σ = 12199963170. Its totient is φ = 3253323504.

The previous prime is 6506647013. The next prime is 6506647019. The reversal of 6506647016 is 6107466056.

It is an interprime number because it is at equal distance from previous prime (6506647013) and next prime (6506647019).

It can be written as a sum of positive squares in only one way, i.e., 4386412900 + 2120234116 = 66230^2 + 46046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6506647013) 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, 406665431 + ... + 406665446.

Almost surely, 2^6506647016 is an apocalyptic number.

It is an amenable number.

6506647016 is a deficient number, since it is larger than the sum of its proper divisors (5693316154).

6506647016 is a wasteful number, since it uses less digits than its factorization.

6506647016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813330883 (or 813330879 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 6506647016 is about 80663.7899927842. The cubic root of 6506647016 is about 1866.8915171038.

The spelling of 6506647016 in words is "six billion, five hundred six million, six hundred forty-seven thousand, sixteen".