159667 has 2 divisors, whose sum is σ = 159668. Its totient is φ = 159666.

The previous prime is 159631. The next prime is 159671. The reversal of 159667 is 766951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159667 - 2⁷ = 159539 is a prime.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (159617) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79833 + 79834.

It is an arithmetic number, because the mean of its divisors is an integer number (79834).

2¹⁵⁹⁶⁶⁷ is an apocalyptic number.

159667 is a deficient number, since it is larger than the sum of its proper divisors (1).

159667 is an equidigital number, since it uses as much as digits as its factorization.

159667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 159667 is about 399.5835331942. The cubic root of 159667 is about 54.2506636288.

The spelling of 159667 in words is "one hundred fifty-nine thousand, six hundred sixty-seven".