160165009 has 2 divisors, whose sum is σ = 160165010. Its totient is φ = 160165008.

The previous prime is 160164997. The next prime is 160165037. The reversal of 160165009 is 900561061.

160165009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (160165037) can be obtained adding 160165009 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83777409 + 76387600 = 9153^2 + 8740^2 .

It is an emirp because it is prime and its reverse (900561061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160165009 - 2²⁷ = 25947281 is a prime.

It is not a weakly prime, because it can be changed into another prime (160165609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80082504 + 80082505.

It is an arithmetic number, because the mean of its divisors is an integer number (80082505).

Almost surely, 2^160165009 is an apocalyptic number.

It is an amenable number.

160165009 is a deficient number, since it is larger than the sum of its proper divisors (1).

160165009 is an equidigital number, since it uses as much as digits as its factorization.

160165009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 160165009 is about 12655.6315132829. The cubic root of 160165009 is about 543.0700855896.

It can be divided in two parts, 16016 and 5009, that added together give a square (21025 = 145²).

The spelling of 160165009 in words is "one hundred sixty million, one hundred sixty-five thousand, nine".