162775 has 12 divisors (see below), whose sum is σ = 214272. Its totient is φ = 122240.

The previous prime is 162751. The next prime is 162779. The reversal of 162775 is 577261.

It is not a de Polignac number, because 162775 - 2⁹ = 162263 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234 + ... + 616.

It is an arithmetic number, because the mean of its divisors is an integer number (17856).

2¹⁶²⁷⁷⁵ is an apocalyptic number.

162775 is a deficient number, since it is larger than the sum of its proper divisors (51497).

162775 is a wasteful number, since it uses less digits than its factorization.

162775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 162775 is about 403.4538387474. The cubic root of 162775 is about 54.6004096809.

The spelling of 162775 in words is "one hundred sixty-two thousand, seven hundred seventy-five".