67357575161 has 2 divisors, whose sum is σ = 67357575162. Its totient is φ = 67357575160.

The previous prime is 67357575149. The next prime is 67357575193. The reversal of 67357575161 is 16157575376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35036726761 + 32320848400 = 187181^2 + 179780^2 .

It is a cyclic number.

It is not a de Polignac number, because 67357575161 - 2¹⁴ = 67357558777 is a prime.

It is not a weakly prime, because it can be changed into another prime (67357575361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33678787580 + 33678787581.

It is an arithmetic number, because the mean of its divisors is an integer number (33678787581).

Almost surely, 2^67357575161 is an apocalyptic number.

It is an amenable number.

67357575161 is a deficient number, since it is larger than the sum of its proper divisors (1).

67357575161 is an equidigital number, since it uses as much as digits as its factorization.

67357575161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4630500, while the sum is 53.

The spelling of 67357575161 in words is "sixty-seven billion, three hundred fifty-seven million, five hundred seventy-five thousand, one hundred sixty-one".