2203667161 has 2 divisors, whose sum is σ = 2203667162. Its totient is φ = 2203667160.

The previous prime is 2203667131. The next prime is 2203667173. The reversal of 2203667161 is 1617663022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2013227161 + 190440000 = 44869^2 + 13800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203667161 - 2²¹ = 2201570009 is a prime.

It is a super-2 number, since 2×2203667161² = 9712297912939599842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2203667111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101833580 + 1101833581.

It is an arithmetic number, because the mean of its divisors is an integer number (1101833581).

Almost surely, 2^2203667161 is an apocalyptic number.

It is an amenable number.

2203667161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203667161 is an equidigital number, since it uses as much as digits as its factorization.

2203667161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2203667161 is about 46943.2333888496. The cubic root of 2203667161 is about 1301.3136939142.

The spelling of 2203667161 in words is "two billion, two hundred three million, six hundred sixty-seven thousand, one hundred sixty-one".