165562 has 4 divisors (see below), whose sum is σ = 248346. Its totient is φ = 82780.

The previous prime is 165559. The next prime is 165569. The reversal of 165562 is 265561.

165562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 4761 = 401^2 + 69^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (165569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41389 + ... + 41392.

2¹⁶⁵⁵⁶² is an apocalyptic number.

165562 is a deficient number, since it is larger than the sum of its proper divisors (82784).

165562 is an equidigital number, since it uses as much as digits as its factorization.

165562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82783.

The product of its digits is 1800, while the sum is 25.

The square root of 165562 is about 406.8931063560. The cubic root of 165562 is about 54.9102669022.

Subtracting 165562 from its reverse (265561), we obtain a palindrome (99999).

It can be divided in two parts, 165 and 562, that added together give a palindrome (727).

The spelling of 165562 in words is "one hundred sixty-five thousand, five hundred sixty-two".