2204161161 has 8 divisors (see below), whose sum is σ = 2942746464. Its totient is φ = 1467508320.

The previous prime is 2204161103. The next prime is 2204161187. The reversal of 2204161161 is 1611614022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2204161161 - 2⁶ = 2204161097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2204162161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480451 + ... + 485016.

It is an arithmetic number, because the mean of its divisors is an integer number (367843308).

Almost surely, 2^2204161161 is an apocalyptic number.

It is an amenable number.

2204161161 is a deficient number, since it is larger than the sum of its proper divisors (738585303).

2204161161 is an equidigital number, since it uses as much as digits as its factorization.

2204161161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966231.

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

The square root of 2204161161 is about 46948.4947682032. The cubic root of 2204161161 is about 1301.4109259200.

Adding to 2204161161 its reverse (1611614022), we get a palindrome (3815775183).

The spelling of 2204161161 in words is "two billion, two hundred four million, one hundred sixty-one thousand, one hundred sixty-one".