164387 has 2 divisors, whose sum is σ = 164388. Its totient is φ = 164386.

The previous prime is 164377. The next prime is 164413. The reversal of 164387 is 783461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164387 - 2⁴ = 164371 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 6⁶ + 3² + 4³ + 8 + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (164357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82193 + 82194.

It is an arithmetic number, because the mean of its divisors is an integer number (82194).

2¹⁶⁴³⁸⁷ is an apocalyptic number.

164387 is a deficient number, since it is larger than the sum of its proper divisors (1).

164387 is an equidigital number, since it uses as much as digits as its factorization.

164387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 164387 is about 405.4466672696. The cubic root of 164387 is about 54.7800582777.

The spelling of 164387 in words is "one hundred sixty-four thousand, three hundred eighty-seven".