164587 has 2 divisors, whose sum is σ = 164588. Its totient is φ = 164586.

The previous prime is 164581. The next prime is 164599. The reversal of 164587 is 785461.

164587 is nontrivially palindromic in base 12.

164587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (785461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164587 is a prime.

It is not a weakly prime, because it can be changed into another prime (164581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82293 + 82294.

It is an arithmetic number, because the mean of its divisors is an integer number (82294).

2¹⁶⁴⁵⁸⁷ is an apocalyptic number.

164587 is a deficient number, since it is larger than the sum of its proper divisors (1).

164587 is an equidigital number, since it uses as much as digits as its factorization.

164587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 164587 is about 405.6932338603. The cubic root of 164587 is about 54.8022651665.

The spelling of 164587 in words is "one hundred sixty-four thousand, five hundred eighty-seven".