320106169 has 2 divisors, whose sum is σ = 320106170. Its totient is φ = 320106168.

The previous prime is 320106119. The next prime is 320106179. The reversal of 320106169 is 961601023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181926144 + 138180025 = 13488^2 + 11755^2 .

It is an emirp because it is prime and its reverse (961601023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320106169 - 2²³ = 311717561 is a prime.

It is a super-2 number, since 2×320106169² = 204935918863713122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320106119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160053084 + 160053085.

It is an arithmetic number, because the mean of its divisors is an integer number (160053085).

Almost surely, 2^320106169 is an apocalyptic number.

It is an amenable number.

320106169 is a deficient number, since it is larger than the sum of its proper divisors (1).

320106169 is an equidigital number, since it uses as much as digits as its factorization.

320106169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 320106169 is about 17891.5110876639. The cubic root of 320106169 is about 684.0660146550.

The spelling of 320106169 in words is "three hundred twenty million, one hundred six thousand, one hundred sixty-nine".