16556016536041 has 2 divisors, whose sum is σ = 16556016536042. Its totient is φ = 16556016536040.

The previous prime is 16556016535969. The next prime is 16556016536083. The reversal of 16556016536041 is 14063561065561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9851412580416 + 6704603955625 = 3138696^2 + 2589325^2 .

It is a cyclic number.

It is not a de Polignac number, because 16556016536041 - 2³¹ = 16553869052393 is a prime.

It is not a weakly prime, because it can be changed into another prime (16556016536141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8278008268020 + 8278008268021.

It is an arithmetic number, because the mean of its divisors is an integer number (8278008268021).

Almost surely, 2^{16556016536041} is an apocalyptic number.

It is an amenable number.

16556016536041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16556016536041 is an equidigital number, since it uses as much as digits as its factorization.

16556016536041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 16556016536041 in words is "sixteen trillion, five hundred fifty-six billion, sixteen million, five hundred thirty-six thousand, forty-one".