67104161 has 2 divisors, whose sum is σ = 67104162. Its totient is φ = 67104160.

The previous prime is 67104139. The next prime is 67104227. The reversal of 67104161 is 16140176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66259600 + 844561 = 8140^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 67104161 - 2¹⁰ = 67103137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67104161.

It is not a weakly prime, because it can be changed into another prime (67104061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33552080 + 33552081.

It is an arithmetic number, because the mean of its divisors is an integer number (33552081).

Almost surely, 2^67104161 is an apocalyptic number.

It is an amenable number.

67104161 is a deficient number, since it is larger than the sum of its proper divisors (1).

67104161 is an equidigital number, since it uses as much as digits as its factorization.

67104161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 67104161 is about 8191.7129466309. The cubic root of 67104161 is about 406.3651761480.

The spelling of 67104161 in words is "sixty-seven million, one hundred four thousand, one hundred sixty-one".