4118161 has 2 divisors, whose sum is σ = 4118162. Its totient is φ = 4118160.

The previous prime is 4118143. The next prime is 4118167. The reversal of 4118161 is 1618114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3682561 + 435600 = 1919^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 4118161 - 2¹³ = 4109969 is a prime.

It is not a weakly prime, because it can be changed into another prime (4118167) 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, 2059080 + 2059081.

It is an arithmetic number, because the mean of its divisors is an integer number (2059081).

Almost surely, 2^4118161 is an apocalyptic number.

It is an amenable number.

4118161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4118161 is an equidigital number, since it uses as much as digits as its factorization.

4118161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 22.

The square root of 4118161 is about 2029.3252573208. The cubic root of 4118161 is about 160.2880358473.

The spelling of 4118161 in words is "four million, one hundred eighteen thousand, one hundred sixty-one".