164369717 has 2 divisors, whose sum is σ = 164369718. Its totient is φ = 164369716.

The previous prime is 164369683. The next prime is 164369729. The reversal of 164369717 is 717963461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113018161 + 51351556 = 10631^2 + 7166^2 .

It is a cyclic number.

It is not a de Polignac number, because 164369717 - 2¹⁰ = 164368693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166369717) 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, 82184858 + 82184859.

It is an arithmetic number, because the mean of its divisors is an integer number (82184859).

Almost surely, 2^164369717 is an apocalyptic number.

It is an amenable number.

164369717 is a deficient number, since it is larger than the sum of its proper divisors (1).

164369717 is an equidigital number, since it uses as much as digits as its factorization.

164369717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 164369717 is about 12820.6753722259. The cubic root of 164369717 is about 547.7813842406.

The spelling of 164369717 in words is "one hundred sixty-four million, three hundred sixty-nine thousand, seven hundred seventeen".