162671 has 2 divisors, whose sum is σ = 162672. Its totient is φ = 162670.

The previous prime is 162649. The next prime is 162677. The reversal of 162671 is 176261.

It is a strong prime.

It is an emirp because it is prime and its reverse (176261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162671 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162677) 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, 81335 + 81336.

It is an arithmetic number, because the mean of its divisors is an integer number (81336).

2¹⁶²⁶⁷¹ is an apocalyptic number.

162671 is a deficient number, since it is larger than the sum of its proper divisors (1).

162671 is an equidigital number, since it uses as much as digits as its factorization.

162671 is an odious number, because the sum of its binary digits is odd.

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

The square root of 162671 is about 403.3249310420. The cubic root of 162671 is about 54.5887787949.

The spelling of 162671 in words is "one hundred sixty-two thousand, six hundred seventy-one".