164586089 has 2 divisors, whose sum is σ = 164586090. Its totient is φ = 164586088.

The previous prime is 164586073. The next prime is 164586131. The reversal of 164586089 is 980685461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97673689 + 66912400 = 9883^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 164586089 - 2⁴ = 164586073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164586029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82293044 + 82293045.

It is an arithmetic number, because the mean of its divisors is an integer number (82293045).

Almost surely, 2^164586089 is an apocalyptic number.

It is an amenable number.

164586089 is a deficient number, since it is larger than the sum of its proper divisors (1).

164586089 is an equidigital number, since it uses as much as digits as its factorization.

164586089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 164586089 is about 12829.1109980388. The cubic root of 164586089 is about 548.0216405488.

The spelling of 164586089 in words is "one hundred sixty-four million, five hundred eighty-six thousand, eighty-nine".