164071 has 2 divisors, whose sum is σ = 164072. Its totient is φ = 164070.

The previous prime is 164057. The next prime is 164089. The reversal of 164071 is 170461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164071 - 2⁵ = 164039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82035 + 82036.

It is an arithmetic number, because the mean of its divisors is an integer number (82036).

2¹⁶⁴⁰⁷¹ is an apocalyptic number.

164071 is a deficient number, since it is larger than the sum of its proper divisors (1).

164071 is an equidigital number, since it uses as much as digits as its factorization.

164071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 164071 is about 405.0567861424. The cubic root of 164071 is about 54.7449346523.

It can be divided in two parts, 1640 and 71, that added together give a triangular number (1711 = T₅₈).

The spelling of 164071 in words is "one hundred sixty-four thousand, seventy-one".