167081 has 2 divisors, whose sum is σ = 167082. Its totient is φ = 167080.

The previous prime is 167077. The next prime is 167087. The reversal of 167081 is 180761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133225 + 33856 = 365^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 167081 - 2² = 167077 is a prime.

It is a super-2 number, since 2×167081² = 55832121122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (167087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83540 + 83541.

It is an arithmetic number, because the mean of its divisors is an integer number (83541).

2¹⁶⁷⁰⁸¹ is an apocalyptic number.

It is an amenable number.

167081 is a deficient number, since it is larger than the sum of its proper divisors (1).

167081 is an equidigital number, since it uses as much as digits as its factorization.

167081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 167081 is about 408.7554280985. The cubic root of 167081 is about 55.0776863612.

The spelling of 167081 in words is "one hundred sixty-seven thousand, eighty-one".