164743 has 2 divisors, whose sum is σ = 164744. Its totient is φ = 164742.

The previous prime is 164729. The next prime is 164767. The reversal of 164743 is 347461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164743 - 2⁹ = 164231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82371 + 82372.

It is an arithmetic number, because the mean of its divisors is an integer number (82372).

2¹⁶⁴⁷⁴³ is an apocalyptic number.

164743 is a deficient number, since it is larger than the sum of its proper divisors (1).

164743 is an equidigital number, since it uses as much as digits as its factorization.

164743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 164743 is about 405.8854518211. The cubic root of 164743 is about 54.8195740543.

The spelling of 164743 in words is "one hundred sixty-four thousand, seven hundred forty-three".