167261 has 2 divisors, whose sum is σ = 167262. Its totient is φ = 167260.

The previous prime is 167249. The next prime is 167267. The reversal of 167261 is 162761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 11236 = 395^2 + 106^2 .

It is a cyclic number.

It is not a de Polignac number, because 167261 - 2⁶ = 167197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83630 + 83631.

It is an arithmetic number, because the mean of its divisors is an integer number (83631).

2¹⁶⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

167261 is a deficient number, since it is larger than the sum of its proper divisors (1).

167261 is an equidigital number, since it uses as much as digits as its factorization.

167261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 167261 is about 408.9755493914. The cubic root of 167261 is about 55.0974580597.

The spelling of 167261 in words is "one hundred sixty-seven thousand, two hundred sixty-one".