411158161 has 4 divisors (see below), whose sum is σ = 412686900. Its totient is φ = 409629424.

The previous prime is 411158159. The next prime is 411158207. The reversal of 411158161 is 161851114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 375158161 = 6000^2 + 19369^2 .

It is a cyclic number.

It is not a de Polignac number, because 411158161 - 2¹ = 411158159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411158101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763966 + ... + 764503.

It is an arithmetic number, because the mean of its divisors is an integer number (103171725).

Almost surely, 2^411158161 is an apocalyptic number.

It is an amenable number.

411158161 is a deficient number, since it is larger than the sum of its proper divisors (1528739).

411158161 is a wasteful number, since it uses less digits than its factorization.

411158161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528738.

The product of its digits is 960, while the sum is 28.

The square root of 411158161 is about 20277.0353109127. The cubic root of 411158161 is about 743.5947330616.

The spelling of 411158161 in words is "four hundred eleven million, one hundred fifty-eight thousand, one hundred sixty-one".