67016671 has 2 divisors, whose sum is σ = 67016672. Its totient is φ = 67016670.

The previous prime is 67016659. The next prime is 67016681. The reversal of 67016671 is 17661076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67016671 - 2¹⁹ = 66492383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67016611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33508335 + 33508336.

It is an arithmetic number, because the mean of its divisors is an integer number (33508336).

Almost surely, 2^67016671 is an apocalyptic number.

67016671 is a deficient number, since it is larger than the sum of its proper divisors (1).

67016671 is an equidigital number, since it uses as much as digits as its factorization.

67016671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 67016671 is about 8186.3710519375. The cubic root of 67016671 is about 406.1884938522.

The spelling of 67016671 in words is "sixty-seven million, sixteen thousand, six hundred seventy-one".