2206533161 has 12 divisors (see below), whose sum is σ = 2568416580. Its totient is φ = 1890110880.

The previous prime is 2206533157. The next prime is 2206533167. The reversal of 2206533161 is 1613356022.

It can be written as a sum of positive squares in 2 ways, for example, as 658897561 + 1547635600 = 25669^2 + 39340^2 .

It is not a de Polignac number, because 2206533161 - 2² = 2206533157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206533167) 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 11 ways as a sum of consecutive naturals, for example, 68291 + ... + 95271.

It is an arithmetic number, because the mean of its divisors is an integer number (214034715).

Almost surely, 2^2206533161 is an apocalyptic number.

It is an amenable number.

2206533161 is a deficient number, since it is larger than the sum of its proper divisors (361883419).

2206533161 is a wasteful number, since it uses less digits than its factorization.

2206533161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28664 (or 28657 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2206533161 is about 46973.7497012959. The cubic root of 2206533161 is about 1301.8775947670.

Adding to 2206533161 its reverse (1613356022), we get a palindrome (3819889183).

The spelling of 2206533161 in words is "two billion, two hundred six million, five hundred thirty-three thousand, one hundred sixty-one".