16907161 has 2 divisors, whose sum is σ = 16907162. Its totient is φ = 16907160.

The previous prime is 16907147. The next prime is 16907167. The reversal of 16907161 is 16170961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 4347225 = 3544^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 16907161 - 2⁹ = 16906649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16907167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8453580 + 8453581.

It is an arithmetic number, because the mean of its divisors is an integer number (8453581).

Almost surely, 2^16907161 is an apocalyptic number.

It is an amenable number.

16907161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16907161 is an equidigital number, since it uses as much as digits as its factorization.

16907161 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 16907161 is about 4111.8318302187. The cubic root of 16907161 is about 256.6592353689.

The spelling of 16907161 in words is "sixteen million, nine hundred seven thousand, one hundred sixty-one".