168747252 has 12 divisors (see below), whose sum is σ = 393743616. Its totient is φ = 56249080.

The previous prime is 168747247. The next prime is 168747277. The reversal of 168747252 is 252747861.

It is a tau number, because it is divible by the number of its divisors (12).

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, 7031124 + ... + 7031147.

It is an arithmetic number, because the mean of its divisors is an integer number (32811968).

Almost surely, 2^168747252 is an apocalyptic number.

168747252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168747252 is an abundant number, since it is smaller than the sum of its proper divisors (224996364).

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

168747252 is a wasteful number, since it uses less digits than its factorization.

168747252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14062278 (or 14062276 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 168747252 is about 12990.2752857667. The cubic root of 168747252 is about 552.6017251595.

The spelling of 168747252 in words is "one hundred sixty-eight million, seven hundred forty-seven thousand, two hundred fifty-two".