168491125 has 32 divisors (see below), whose sum is σ = 230735232. Its totient is φ = 121824000.

The previous prime is 168491087. The next prime is 168491159. The reversal of 168491125 is 521194861.

168491125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168491125 - 2¹¹ = 168489077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388909 + ... + 389341.

It is an arithmetic number, because the mean of its divisors is an integer number (7210476).

Almost surely, 2^168491125 is an apocalyptic number.

It is an amenable number.

168491125 is a deficient number, since it is larger than the sum of its proper divisors (62244107).

168491125 is a wasteful number, since it uses less digits than its factorization.

168491125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 732 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 168491125 is about 12980.4131290187. The cubic root of 168491125 is about 552.3220013133.

The spelling of 168491125 in words is "one hundred sixty-eight million, four hundred ninety-one thousand, one hundred twenty-five".