168873125 has 20 divisors (see below), whose sum is σ = 212491356. Its totient is φ = 134160000.

The previous prime is 168873109. The next prime is 168873157. The reversal of 168873125 is 521378861.

It can be written as a sum of positive squares in 10 ways, for example, as 127283524 + 41589601 = 11282^2 + 6449^2 .

It is not a de Polignac number, because 168873125 - 2⁴ = 168873109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97265 + ... + 98985.

Almost surely, 2^168873125 is an apocalyptic number.

It is an amenable number.

168873125 is a deficient number, since it is larger than the sum of its proper divisors (43618231).

168873125 is an equidigital number, since it uses as much as digits as its factorization.

168873125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1883 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 168873125 is about 12995.1192760975. The cubic root of 168873125 is about 552.7390910490.

The spelling of 168873125 in words is "one hundred sixty-eight million, eight hundred seventy-three thousand, one hundred twenty-five".