160809133 has 2 divisors, whose sum is σ = 160809134. Its totient is φ = 160809132.

The previous prime is 160809113. The next prime is 160809139. The reversal of 160809133 is 331908061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92217609 + 68591524 = 9603^2 + 8282^2 .

It is an emirp because it is prime and its reverse (331908061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160809133 - 2⁵ = 160809101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160809095 and 160809104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160809139) 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, 80404566 + 80404567.

It is an arithmetic number, because the mean of its divisors is an integer number (80404567).

Almost surely, 2^160809133 is an apocalyptic number.

It is an amenable number.

160809133 is a deficient number, since it is larger than the sum of its proper divisors (1).

160809133 is an equidigital number, since it uses as much as digits as its factorization.

160809133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 160809133 is about 12681.0540965647. The cubic root of 160809133 is about 543.7971203627.

The spelling of 160809133 in words is "one hundred sixty million, eight hundred nine thousand, one hundred thirty-three".