816112 has 20 divisors (see below), whose sum is σ = 1725336. Its totient is φ = 370880.

The previous prime is 816103. The next prime is 816113. The reversal of 816112 is 211618.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 816112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816113) by changing a digit.

816112 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143 + ... + 2494.

2⁸¹⁶¹¹² is an apocalyptic number.

It is an amenable number.

816112 is an abundant number, since it is smaller than the sum of its proper divisors (909224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816112 is a wasteful number, since it uses less digits than its factorization.

816112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656 (or 4650 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The square root of 816112 is about 903.3891741658. The cubic root of 816112 is about 93.4508497050.

The spelling of 816112 in words is "eight hundred sixteen thousand, one hundred twelve".