168425168 has 10 divisors (see below), whose sum is σ = 326323794. Its totient is φ = 84212576.

The previous prime is 168425161. The next prime is 168425183. The reversal of 168425168 is 861524861.

It can be written as a sum of positive squares in only one way, i.e., 155950144 + 12475024 = 12488^2 + 3532^2 .

It is a super-3 number, since 3×168425168³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168425161) by changing a digit.

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 as a sum of consecutive naturals, namely, 5263271 + ... + 5263302.

Almost surely, 2^168425168 is an apocalyptic number.

It is an amenable number.

168425168 is a deficient number, since it is larger than the sum of its proper divisors (157898626).

168425168 is a wasteful number, since it uses less digits than its factorization.

168425168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526581 (or 10526575 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 168425168 is about 12977.8722447095. The cubic root of 168425168 is about 552.2499218357.

The spelling of 168425168 in words is "one hundred sixty-eight million, four hundred twenty-five thousand, one hundred sixty-eight".