68741303161 has 2 divisors, whose sum is σ = 68741303162. Its totient is φ = 68741303160.

The previous prime is 68741303131. The next prime is 68741303209. The reversal of 68741303161 is 16130314786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39519452025 + 29221851136 = 198795^2 + 170944^2 .

It is a cyclic number.

It is not a de Polignac number, because 68741303161 - 2⁹ = 68741302649 is a prime.

It is not a weakly prime, because it can be changed into another prime (68741303131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34370651580 + 34370651581.

It is an arithmetic number, because the mean of its divisors is an integer number (34370651581).

Almost surely, 2^68741303161 is an apocalyptic number.

It is an amenable number.

68741303161 is a deficient number, since it is larger than the sum of its proper divisors (1).

68741303161 is an equidigital number, since it uses as much as digits as its factorization.

68741303161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 68741303161 in words is "sixty-eight billion, seven hundred forty-one million, three hundred three thousand, one hundred sixty-one".