168113232 has 280 divisors, whose sum is σ = 585498240. Its totient is φ = 45722880.

The previous prime is 168113213. The next prime is 168113287. The reversal of 168113232 is 232311861.

It is a happy number.

It is a super-3 number, since 3×168113232³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 168113196 and 168113205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2367757 + ... + 2367827.

Almost surely, 2^168113232 is an apocalyptic number.

168113232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292749120).

168113232 is an abundant number, since it is smaller than the sum of its proper divisors (417385008).

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

168113232 is an equidigital number, since it uses as much as digits as its factorization.

168113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 112 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 168113232 is about 12965.8486802831. The cubic root of 168113232 is about 551.9087750949.

The spelling of 168113232 in words is "one hundred sixty-eight million, one hundred thirteen thousand, two hundred thirty-two".