768161 has 2 divisors, whose sum is σ = 768162. Its totient is φ = 768160.

The previous prime is 768139. The next prime is 768167. The reversal of 768161 is 161867.

768161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 28561 = 860^2 + 169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (768167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384080 + 384081.

It is an arithmetic number, because the mean of its divisors is an integer number (384081).

2⁷⁶⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

768161 is a deficient number, since it is larger than the sum of its proper divisors (1).

768161 is an equidigital number, since it uses as much as digits as its factorization.

768161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 768161 is about 876.4479448319. The cubic root of 768161 is about 91.5835382277.

It can be divided in two parts, 768 and 161, that added together give a palindrome (929).

The spelling of 768161 in words is "seven hundred sixty-eight thousand, one hundred sixty-one".