168679 has 4 divisors (see below), whose sum is σ = 192784. Its totient is φ = 144576.

The previous prime is 168677. The next prime is 168697. The reversal of 168679 is 976861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976861 = 577 ⋅1693.

It is a cyclic number.

It is not a de Polignac number, because 168679 - 2¹ = 168677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12042 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (48196).

2¹⁶⁸⁶⁷⁹ is an apocalyptic number.

168679 is a deficient number, since it is larger than the sum of its proper divisors (24105).

168679 is an equidigital number, since it uses as much as digits as its factorization.

168679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104.

The product of its digits is 18144, while the sum is 37.

The square root of 168679 is about 410.7054905891. The cubic root of 168679 is about 55.2527212817.

The spelling of 168679 in words is "one hundred sixty-eight thousand, six hundred seventy-nine".