162605 has 8 divisors (see below), whose sum is σ = 206712. Its totient is φ = 122368.

The previous prime is 162601. The next prime is 162611. The reversal of 162605 is 506261.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 98596 = 253^2 + 314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162605 - 2² = 162601 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 (162601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (25839).

2¹⁶²⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

162605 is a deficient number, since it is larger than the sum of its proper divisors (44107).

162605 is a wasteful number, since it uses less digits than its factorization.

162605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 162605 is about 403.2431028548. The cubic root of 162605 is about 54.5813950843.

Adding to 162605 its reverse (506261), we get a palindrome (668866).

It can be divided in two parts, 162 and 605, that added together give a palindrome (767).

The spelling of 162605 in words is "one hundred sixty-two thousand, six hundred five".