161246167 has 2 divisors, whose sum is σ = 161246168. Its totient is φ = 161246166.

The previous prime is 161246149. The next prime is 161246213. The reversal of 161246167 is 761642161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161246167 - 2⁷ = 161246039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161246117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80623083 + 80623084.

It is an arithmetic number, because the mean of its divisors is an integer number (80623084).

Almost surely, 2^161246167 is an apocalyptic number.

161246167 is a deficient number, since it is larger than the sum of its proper divisors (1).

161246167 is an equidigital number, since it uses as much as digits as its factorization.

161246167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 161246167 is about 12698.2741740758. The cubic root of 161246167 is about 544.2893039741.

The spelling of 161246167 in words is "one hundred sixty-one million, two hundred forty-six thousand, one hundred sixty-seven".