4016161 has 2 divisors, whose sum is σ = 4016162. Its totient is φ = 4016160.

The previous prime is 4016153. The next prime is 4016167. The reversal of 4016161 is 1616104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 776161 = 1800^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 4016161 - 2³ = 4016153 is a prime.

It is a super-2 number, since 2×4016161² = 32259098355842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4016167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008080 + 2008081.

It is an arithmetic number, because the mean of its divisors is an integer number (2008081).

Almost surely, 2^4016161 is an apocalyptic number.

It is an amenable number.

4016161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4016161 is an equidigital number, since it uses as much as digits as its factorization.

4016161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 4016161 is about 2004.0361773182. The cubic root of 4016161 is about 158.9536011654.

The spelling of 4016161 in words is "four million, sixteen thousand, one hundred sixty-one".