162406 has 4 divisors (see below), whose sum is σ = 243612. Its totient is φ = 81202.

The previous prime is 162391. The next prime is 162413. The reversal of 162406 is 604261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604261 = 7 ⋅86323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40600 + ... + 40603.

It is an arithmetic number, because the mean of its divisors is an integer number (60903).

2¹⁶²⁴⁰⁶ is an apocalyptic number.

162406 is a deficient number, since it is larger than the sum of its proper divisors (81206).

162406 is an equidigital number, since it uses as much as digits as its factorization.

162406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81205.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 162406 is about 402.9962778984. The cubic root of 162406 is about 54.5591199767.

Adding to 162406 its reverse (604261), we get a palindrome (766667).

The spelling of 162406 in words is "one hundred sixty-two thousand, four hundred six".