201667 has 2 divisors, whose sum is σ = 201668. Its totient is φ = 201666.

The previous prime is 201661. The next prime is 201673. The reversal of 201667 is 766102.

201667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (201661) and next prime (201673).

It is a cyclic number.

It is not a de Polignac number, because 201667 - 2¹⁵ = 168899 is a prime.

201667 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (201661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100833 + 100834.

It is an arithmetic number, because the mean of its divisors is an integer number (100834).

2²⁰¹⁶⁶⁷ is an apocalyptic number.

201667 is a deficient number, since it is larger than the sum of its proper divisors (1).

201667 is an equidigital number, since it uses as much as digits as its factorization.

201667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 201667 is about 449.0734906449. The cubic root of 201667 is about 58.6423833442.

Adding to 201667 its reverse (766102), we get a palindrome (967769).

It can be divided in two parts, 201 and 667, that added together give a palindrome (868).

The spelling of 201667 in words is "two hundred one thousand, six hundred sixty-seven".