1073216161 has 2 divisors, whose sum is σ = 1073216162. Its totient is φ = 1073216160.

The previous prime is 1073216149. The next prime is 1073216213. The reversal of 1073216161 is 1616123701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056250000 + 16966161 = 32500^2 + 4119^2 .

It is an emirp because it is prime and its reverse (1616123701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1073216161 - 2⁷ = 1073216033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073216141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536608080 + 536608081.

It is an arithmetic number, because the mean of its divisors is an integer number (536608081).

Almost surely, 2^1073216161 is an apocalyptic number.

It is an amenable number.

1073216161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073216161 is an equidigital number, since it uses as much as digits as its factorization.

1073216161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1073216161 is about 32759.9780372332. The cubic root of 1073216161 is about 1023.8328689560.

Adding to 1073216161 its reverse (1616123701), we get a palindrome (2689339862).

The spelling of 1073216161 in words is "one billion, seventy-three million, two hundred sixteen thousand, one hundred sixty-one".