80580161 has 2 divisors, whose sum is σ = 80580162. Its totient is φ = 80580160.

The previous prime is 80580133. The next prime is 80580167. The reversal of 80580161 is 16108508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 23668225 = 7544^2 + 4865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80580161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80580167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40290080 + 40290081.

It is an arithmetic number, because the mean of its divisors is an integer number (40290081).

Almost surely, 2^80580161 is an apocalyptic number.

It is an amenable number.

80580161 is a deficient number, since it is larger than the sum of its proper divisors (1).

80580161 is an equidigital number, since it uses as much as digits as its factorization.

80580161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 80580161 is about 8976.6453087999. The cubic root of 80580161 is about 431.9260293587.

Adding to 80580161 its reverse (16108508), we get a palindrome (96688669).

The spelling of 80580161 in words is "eighty million, five hundred eighty thousand, one hundred sixty-one".