167659 has 4 divisors (see below), whose sum is σ = 168480. Its totient is φ = 166840.

The previous prime is 167641. The next prime is 167663. The reversal of 167659 is 956761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 956761 = 13 ⋅73597.

It is a cyclic number.

It is not a de Polignac number, because 167659 - 2⁵ = 167627 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (167159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2¹⁶⁷⁶⁵⁹ is an apocalyptic number.

167659 is a deficient number, since it is larger than the sum of its proper divisors (821).

167659 is an equidigital number, since it uses as much as digits as its factorization.

167659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

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

The square root of 167659 is about 409.4618419340. The cubic root of 167659 is about 55.1411251787.

The spelling of 167659 in words is "one hundred sixty-seven thousand, six hundred fifty-nine".