164114809 has 2 divisors, whose sum is σ = 164114810. Its totient is φ = 164114808.

The previous prime is 164114801. The next prime is 164114879. The reversal of 164114809 is 908411461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96825600 + 67289209 = 9840^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 164114809 - 2³ = 164114801 is a prime.

It is not a weakly prime, because it can be changed into another prime (164114801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82057404 + 82057405.

It is an arithmetic number, because the mean of its divisors is an integer number (82057405).

Almost surely, 2^164114809 is an apocalyptic number.

It is an amenable number.

164114809 is a deficient number, since it is larger than the sum of its proper divisors (1).

164114809 is an equidigital number, since it uses as much as digits as its factorization.

164114809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 164114809 is about 12810.7302289916. The cubic root of 164114809 is about 547.4980674508.

Adding to 164114809 its product of nonzero digits (6912), we get a square (164121721 = 12811²).

The spelling of 164114809 in words is "one hundred sixty-four million, one hundred fourteen thousand, eight hundred nine".