16343161 has 2 divisors, whose sum is σ = 16343162. Its totient is φ = 16343160.

The previous prime is 16343143. The next prime is 16343189. The reversal of 16343161 is 16134361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14017536 + 2325625 = 3744^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 16343161 - 2⁹ = 16342649 is a prime.

It is a super-2 number, since 2×16343161² = 534197822943842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16343101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8171580 + 8171581.

It is an arithmetic number, because the mean of its divisors is an integer number (8171581).

Almost surely, 2^16343161 is an apocalyptic number.

It is an amenable number.

16343161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16343161 is an equidigital number, since it uses as much as digits as its factorization.

16343161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 16343161 is about 4042.6675599163. The cubic root of 16343161 is about 253.7729645066.

The spelling of 16343161 in words is "sixteen million, three hundred forty-three thousand, one hundred sixty-one".