164361173 has 2 divisors, whose sum is σ = 164361174. Its totient is φ = 164361172.

The previous prime is 164361143. The next prime is 164361181. The reversal of 164361173 is 371163461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89832484 + 74528689 = 9478^2 + 8633^2 .

It is a cyclic number.

It is not a de Polignac number, because 164361173 - 2¹⁰ = 164360149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164361143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82180586 + 82180587.

It is an arithmetic number, because the mean of its divisors is an integer number (82180587).

Almost surely, 2^164361173 is an apocalyptic number.

It is an amenable number.

164361173 is a deficient number, since it is larger than the sum of its proper divisors (1).

164361173 is an equidigital number, since it uses as much as digits as its factorization.

164361173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 164361173 is about 12820.3421561205. The cubic root of 164361173 is about 547.7718927817.

The spelling of 164361173 in words is "one hundred sixty-four million, three hundred sixty-one thousand, one hundred seventy-three".