2205150161 has 4 divisors (see below), whose sum is σ = 2264748852. Its totient is φ = 2145551472.

The previous prime is 2205150151. The next prime is 2205150197. The reversal of 2205150161 is 1610515022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1610515022 = 2 ⋅805257511.

It can be written as a sum of positive squares in 2 ways, for example, as 1499238400 + 705911761 = 38720^2 + 26569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205150161 - 2⁶ = 2205150097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205150151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29799290 + ... + 29799363.

It is an arithmetic number, because the mean of its divisors is an integer number (566187213).

Almost surely, 2^2205150161 is an apocalyptic number.

It is an amenable number.

2205150161 is a deficient number, since it is larger than the sum of its proper divisors (59598691).

2205150161 is an equidigital number, since it uses as much as digits as its factorization.

2205150161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59598690.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2205150161 is about 46959.0264060063. The cubic root of 2205150161 is about 1301.6055431092.

Adding to 2205150161 its reverse (1610515022), we get a palindrome (3815665183).

The spelling of 2205150161 in words is "two billion, two hundred five million, one hundred fifty thousand, one hundred sixty-one".