16650565747 has 2 divisors, whose sum is σ = 16650565748. Its totient is φ = 16650565746.

The previous prime is 16650565733. The next prime is 16650565753. The reversal of 16650565747 is 74756505661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16650565747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16650565694 and 16650565703.

It is not a weakly prime, because it can be changed into another prime (16650565727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8325282873 + 8325282874.

It is an arithmetic number, because the mean of its divisors is an integer number (8325282874).

Almost surely, 2^16650565747 is an apocalyptic number.

16650565747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16650565747 is an equidigital number, since it uses as much as digits as its factorization.

16650565747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 16650565747 in words is "sixteen billion, six hundred fifty million, five hundred sixty-five thousand, seven hundred forty-seven".