168908252 has 12 divisors (see below), whose sum is σ = 311146920. Its totient is φ = 80009136.

The previous prime is 168908249. The next prime is 168908263. The reversal of 168908252 is 252809861.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1111163 + ... + 1111314.

It is an arithmetic number, because the mean of its divisors is an integer number (25928910).

Almost surely, 2^168908252 is an apocalyptic number.

It is an amenable number.

168908252 is a deficient number, since it is larger than the sum of its proper divisors (142238668).

168908252 is a wasteful number, since it uses less digits than its factorization.

168908252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222500 (or 2222498 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 168908252 is about 12996.4707517079. The cubic root of 168908252 is about 552.7774131523. Note that the first 3 decimals are identical.

The spelling of 168908252 in words is "one hundred sixty-eight million, nine hundred eight thousand, two hundred fifty-two".