16791601 has 2 divisors, whose sum is σ = 16791602. Its totient is φ = 16791600.

The previous prime is 16791569. The next prime is 16791623. The reversal of 16791601 is 10619761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 5400976 = 3375^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 16791601 - 2⁵ = 16791569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16791661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8395800 + 8395801.

It is an arithmetic number, because the mean of its divisors is an integer number (8395801).

Almost surely, 2^16791601 is an apocalyptic number.

It is an amenable number.

16791601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16791601 is an equidigital number, since it uses as much as digits as its factorization.

16791601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 16791601 is about 4097.7556052063. The cubic root of 16791601 is about 256.0731449924.

The spelling of 16791601 in words is "sixteen million, seven hundred ninety-one thousand, six hundred one".