16616100041 has 2 divisors, whose sum is σ = 16616100042. Its totient is φ = 16616100040.

The previous prime is 16616100023. The next prime is 16616100047. The reversal of 16616100041 is 14000161661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16433958025 + 182142016 = 128195^2 + 13496^2 .

It is an emirp because it is prime and its reverse (14000161661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16616100041 is a prime.

It is not a weakly prime, because it can be changed into another prime (16616100047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8308050020 + 8308050021.

It is an arithmetic number, because the mean of its divisors is an integer number (8308050021).

Almost surely, 2^16616100041 is an apocalyptic number.

It is an amenable number.

16616100041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16616100041 is an equidigital number, since it uses as much as digits as its factorization.

16616100041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 16616100041 in words is "sixteen billion, six hundred sixteen million, one hundred thousand, forty-one".