2141206161 has 16 divisors (see below), whose sum is σ = 2889423360. Its totient is φ = 1410291200.

The previous prime is 2141206141. The next prime is 2141206237. The reversal of 2141206161 is 1616021412.

It is a happy number.

2141206161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2141206161 - 2⁵ = 2141206129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141206141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137761 + ... + 152513.

It is an arithmetic number, because the mean of its divisors is an integer number (180588960).

Almost surely, 2^2141206161 is an apocalyptic number.

It is an amenable number.

2141206161 is a deficient number, since it is larger than the sum of its proper divisors (748217199).

2141206161 is a wasteful number, since it uses less digits than its factorization.

2141206161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2141206161 is about 46273.1689102875. The cubic root of 2141206161 is about 1288.9008045341.

Adding to 2141206161 its reverse (1616021412), we get a palindrome (3757227573).

The spelling of 2141206161 in words is "two billion, one hundred forty-one million, two hundred six thousand, one hundred sixty-one".