66562 has 8 divisors (see below), whose sum is σ = 104256. Its totient is φ = 31812.

The previous prime is 66553. The next prime is 66569. The reversal of 66562 is 26566.

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

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (66569) by changing a digit.

66562 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (13032).

2⁶⁶⁵⁶² is an apocalyptic number.

66562 is a deficient number, since it is larger than the sum of its proper divisors (37694).

66562 is a wasteful number, since it uses less digits than its factorization.

66562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its digits is 2160, while the sum is 25.

The square root of 66562 is about 257.9961240019. The cubic root of 66562 is about 40.5267820620.

It can be divided in two parts, 665 and 62, that added together give a palindrome (727).

The spelling of 66562 in words is "sixty-six thousand, five hundred sixty-two".