67034161 has 2 divisors, whose sum is σ = 67034162. Its totient is φ = 67034160.

The previous prime is 67034159. The next prime is 67034171. The reversal of 67034161 is 16143076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 21390625 = 6756^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 67034161 - 2¹ = 67034159 is a prime.

Together with 67034159, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (67034101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33517080 + 33517081.

It is an arithmetic number, because the mean of its divisors is an integer number (33517081).

Almost surely, 2^67034161 is an apocalyptic number.

It is an amenable number.

67034161 is a deficient number, since it is larger than the sum of its proper divisors (1).

67034161 is an equidigital number, since it uses as much as digits as its factorization.

67034161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 67034161 is about 8187.4392211485. The cubic root of 67034161 is about 406.2238264479.

The spelling of 67034161 in words is "sixty-seven million, thirty-four thousand, one hundred sixty-one".