111662 has 8 divisors (see below), whose sum is σ = 172992. Its totient is φ = 54000.

The previous prime is 111659. The next prime is 111667. The reversal of 111662 is 266111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839 + ... + 962.

It is an arithmetic number, because the mean of its divisors is an integer number (21624).

2¹¹¹⁶⁶² is an apocalyptic number.

111662 is a deficient number, since it is larger than the sum of its proper divisors (61330).

111662 is a wasteful number, since it uses less digits than its factorization.

111662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834.

The product of its digits is 72, while the sum is 17.

The square root of 111662 is about 334.1586449578. The cubic root of 111662 is about 48.1543066562.

Adding to 111662 its reverse (266111), we get a palindrome (377773).

Subtracting 111662 from its reverse (266111), we obtain a square (154449 = 393²).

The spelling of 111662 in words is "one hundred eleven thousand, six hundred sixty-two".