683105161 has 2 divisors, whose sum is σ = 683105162. Its totient is φ = 683105160.

The previous prime is 683105149. The next prime is 683105173. The reversal of 683105161 is 161501386.

It is a balanced prime because it is at equal distance from previous prime (683105149) and next prime (683105173).

It can be written as a sum of positive squares in only one way, i.e., 663577600 + 19527561 = 25760^2 + 4419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683105161 is a prime.

It is not a weakly prime, because it can be changed into another prime (683105131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341552580 + 341552581.

It is an arithmetic number, because the mean of its divisors is an integer number (341552581).

Almost surely, 2^683105161 is an apocalyptic number.

683105161 is the 11689-th centered decagonal number.

It is an amenable number.

683105161 is a deficient number, since it is larger than the sum of its proper divisors (1).

683105161 is an equidigital number, since it uses as much as digits as its factorization.

683105161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 683105161 is about 26136.2805502237. The cubic root of 683105161 is about 880.7024182593.

The spelling of 683105161 in words is "six hundred eighty-three million, one hundred five thousand, one hundred sixty-one".