164560117 has 2 divisors, whose sum is σ = 164560118. Its totient is φ = 164560116.

The previous prime is 164560111. The next prime is 164560129. The reversal of 164560117 is 711065461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162460516 + 2099601 = 12746^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 164560117 - 2¹⁹ = 164035829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164560111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82280058 + 82280059.

It is an arithmetic number, because the mean of its divisors is an integer number (82280059).

Almost surely, 2^164560117 is an apocalyptic number.

It is an amenable number.

164560117 is a deficient number, since it is larger than the sum of its proper divisors (1).

164560117 is an equidigital number, since it uses as much as digits as its factorization.

164560117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 164560117 is about 12828.0987289621. The cubic root of 164560117 is about 547.9928127443.

The spelling of 164560117 in words is "one hundred sixty-four million, five hundred sixty thousand, one hundred seventeen".