168427 has 4 divisors (see below), whose sum is σ = 192496. Its totient is φ = 144360.

The previous prime is 168409. The next prime is 168433. The reversal of 168427 is 724861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724861 = 163 ⋅4447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168427 is a prime.

It is a super-3 number, since 3×168427³ = 14333636747011449, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168395 and 168404.

It is not an unprimeable number, because it can be changed into a prime (168457) 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, 12024 + ... + 12037.

It is an arithmetic number, because the mean of its divisors is an integer number (48124).

2¹⁶⁸⁴²⁷ is an apocalyptic number.

168427 is a deficient number, since it is larger than the sum of its proper divisors (24069).

168427 is an equidigital number, since it uses as much as digits as its factorization.

168427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068.

The product of its digits is 2688, while the sum is 28.

The square root of 168427 is about 410.3985867422. The cubic root of 168427 is about 55.2251924146.

It can be divided in two parts, 1684 and 27, that added together give a triangular number (1711 = T₅₈).

The spelling of 168427 in words is "one hundred sixty-eight thousand, four hundred twenty-seven".