608018161 has 2 divisors, whose sum is σ = 608018162. Its totient is φ = 608018160.

The previous prime is 608018153. The next prime is 608018219. The reversal of 608018161 is 161810806.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605898225 + 2119936 = 24615^2 + 1456^2 .

It is a cyclic number.

It is not a de Polignac number, because 608018161 - 2³ = 608018153 is a prime.

It is not a weakly prime, because it can be changed into another prime (608018101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304009080 + 304009081.

It is an arithmetic number, because the mean of its divisors is an integer number (304009081).

Almost surely, 2^608018161 is an apocalyptic number.

It is an amenable number.

608018161 is a deficient number, since it is larger than the sum of its proper divisors (1).

608018161 is an equidigital number, since it uses as much as digits as its factorization.

608018161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 608018161 is about 24658.0242720296. The cubic root of 608018161 is about 847.1731517223.

Adding to 608018161 its reverse (161810806), we get a palindrome (769828967).

The spelling of 608018161 in words is "six hundred eight million, eighteen thousand, one hundred sixty-one".