4069161 has 12 divisors (see below), whose sum is σ = 5902260. Its totient is φ = 2701440.

The previous prime is 4069159. The next prime is 4069187. The reversal of 4069161 is 1619604.

It can be written as a sum of positive squares in 2 ways, for example, as 3515625 + 553536 = 1875^2 + 744^2 .

It is not a de Polignac number, because 4069161 - 2¹ = 4069159 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725 + ... + 3333.

It is an arithmetic number, because the mean of its divisors is an integer number (491855).

Almost surely, 2^4069161 is an apocalyptic number.

It is an amenable number.

4069161 is a deficient number, since it is larger than the sum of its proper divisors (1833099).

4069161 is a wasteful number, since it uses less digits than its factorization.

4069161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4069161 is about 2017.2161510359. The cubic root of 4069161 is about 159.6497677722.

The spelling of 4069161 in words is "four million, sixty-nine thousand, one hundred sixty-one".