168730224 has 80 divisors (see below), whose sum is σ = 471448992. Its totient is φ = 51692544.

The previous prime is 168730223. The next prime is 168730271. The reversal of 168730224 is 422037861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168730223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197382 + ... + 198234.

Almost surely, 2^168730224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168730224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235724496).

168730224 is an abundant number, since it is smaller than the sum of its proper divisors (302718768).

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

168730224 is a wasteful number, since it uses less digits than its factorization.

168730224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 168730224 is about 12989.6198558695. The cubic root of 168730224 is about 552.5831371655.

The spelling of 168730224 in words is "one hundred sixty-eight million, seven hundred thirty thousand, two hundred twenty-four".