162873 has 6 divisors (see below), whose sum is σ = 235274. Its totient is φ = 108576.

The previous prime is 162859. The next prime is 162881. The reversal of 162873 is 378261.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 51984 = 333^2 + 228^2 .

It is not a de Polignac number, because 162873 - 2¹² = 158777 is a prime.

It is a super-2 number, since 2×162873² = 53055228258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9040 + ... + 9057.

2¹⁶²⁸⁷³ is an apocalyptic number.

It is an amenable number.

162873 is a deficient number, since it is larger than the sum of its proper divisors (72401).

162873 is a wasteful number, since it uses less digits than its factorization.

162873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18103 (or 18100 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 162873 is about 403.5752717895. The cubic root of 162873 is about 54.6113650214.

It can be divided in two parts, 16287 and 3, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 162873 in words is "one hundred sixty-two thousand, eight hundred seventy-three".