16791941 has 2 divisors, whose sum is σ = 16791942. Its totient is φ = 16791940.

The previous prime is 16791917. The next prime is 16791947. The reversal of 16791941 is 14919761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15570916 + 1221025 = 3946^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16791941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16791895 and 16791904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16791947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8395970 + 8395971.

It is an arithmetic number, because the mean of its divisors is an integer number (8395971).

Almost surely, 2^16791941 is an apocalyptic number.

It is an amenable number.

16791941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16791941 is an equidigital number, since it uses as much as digits as its factorization.

16791941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 16791941 is about 4097.7970911210. The cubic root of 16791941 is about 256.0748733224.

The spelling of 16791941 in words is "sixteen million, seven hundred ninety-one thousand, nine hundred forty-one".