168281112 has 16 divisors (see below), whose sum is σ = 420702840. Its totient is φ = 56093696.

The previous prime is 168281107. The next prime is 168281117. The reversal of 168281112 is 211182861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168281107) and next prime (168281117).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 168281112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168281117) 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, 3505833 + ... + 3505880.

Almost surely, 2^168281112 is an apocalyptic number.

168281112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168281112 is an abundant number, since it is smaller than the sum of its proper divisors (252421728).

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

168281112 is a wasteful number, since it uses less digits than its factorization.

168281112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011722 (or 7011718 counting only the distinct ones).

The product of its digits is 1536, while the sum is 30.

The square root of 168281112 is about 12972.3209951034. The cubic root of 168281112 is about 552.0924283370.

The spelling of 168281112 in words is "one hundred sixty-eight million, two hundred eighty-one thousand, one hundred twelve".