2618433161 has 2 divisors, whose sum is σ = 2618433162. Its totient is φ = 2618433160.

The previous prime is 2618433151. The next prime is 2618433203. The reversal of 2618433161 is 1613348162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2568462400 + 49970761 = 50680^2 + 7069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2618433161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2618433101) 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, 1309216580 + 1309216581.

It is an arithmetic number, because the mean of its divisors is an integer number (1309216581).

Almost surely, 2^2618433161 is an apocalyptic number.

It is an amenable number.

2618433161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618433161 is an equidigital number, since it uses as much as digits as its factorization.

2618433161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 2618433161 is about 51170.6279128955. The cubic root of 2618433161 is about 1378.3108158263.

The spelling of 2618433161 in words is "two billion, six hundred eighteen million, four hundred thirty-three thousand, one hundred sixty-one".