164094109 has 2 divisors, whose sum is σ = 164094110. Its totient is φ = 164094108.

The previous prime is 164094059. The next prime is 164094157. The reversal of 164094109 is 901490461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153512100 + 10582009 = 12390^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 164094109 - 2⁹ = 164093597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164094509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82047054 + 82047055.

It is an arithmetic number, because the mean of its divisors is an integer number (82047055).

Almost surely, 2^164094109 is an apocalyptic number.

It is an amenable number.

164094109 is a deficient number, since it is larger than the sum of its proper divisors (1).

164094109 is an equidigital number, since it uses as much as digits as its factorization.

164094109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 164094109 is about 12809.9222870398. The cubic root of 164094109 is about 547.4750476177.

The spelling of 164094109 in words is "one hundred sixty-four million, ninety-four thousand, one hundred nine".