167126161 has 2 divisors, whose sum is σ = 167126162. Its totient is φ = 167126160.

The previous prime is 167126143. The next prime is 167126213. The reversal of 167126161 is 161621761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142683025 + 24443136 = 11945^2 + 4944^2 .

It is a cyclic number.

It is not a de Polignac number, because 167126161 - 2⁵ = 167126129 is a prime.

It is not a weakly prime, because it can be changed into another prime (167126761) 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, 83563080 + 83563081.

It is an arithmetic number, because the mean of its divisors is an integer number (83563081).

Almost surely, 2^167126161 is an apocalyptic number.

It is an amenable number.

167126161 is a deficient number, since it is larger than the sum of its proper divisors (1).

167126161 is an equidigital number, since it uses as much as digits as its factorization.

167126161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 167126161 is about 12927.7283774064. The cubic root of 167126161 is about 550.8264830446.

The spelling of 167126161 in words is "one hundred sixty-seven million, one hundred twenty-six thousand, one hundred sixty-one".