168841252 has 48 divisors (see below), whose sum is σ = 324559872. Its totient is φ = 76602240.

The previous prime is 168841247. The next prime is 168841271. The reversal of 168841252 is 252148861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150598 + ... + 151714.

It is an arithmetic number, because the mean of its divisors is an integer number (6761664).

Almost surely, 2^168841252 is an apocalyptic number.

It is an amenable number.

168841252 is a deficient number, since it is larger than the sum of its proper divisors (155718620).

168841252 is a wasteful number, since it uses less digits than its factorization.

168841252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1226 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 168841252 is about 12993.8928731924. The cubic root of 168841252 is about 552.7043143263.

The spelling of 168841252 in words is "one hundred sixty-eight million, eight hundred forty-one thousand, two hundred fifty-two".