68178168 has 24 divisors (see below), whose sum is σ = 184649400. Its totient is φ = 22726032.

The previous prime is 68178167. The next prime is 68178169. The reversal of 68178168 is 86187186.

It is an interprime number because it is at equal distance from previous prime (68178167) and next prime (68178169).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68178167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 473388 + ... + 473531.

It is an arithmetic number, because the mean of its divisors is an integer number (7693725).

Almost surely, 2^68178168 is an apocalyptic number.

It is an amenable number.

68178168 is an abundant number, since it is smaller than the sum of its proper divisors (116471232).

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

68178168 is a wasteful number, since it uses less digits than its factorization.

68178168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946931 (or 946924 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 68178168 is about 8257.0072060039. The cubic root of 68178168 is about 408.5216798559.

The spelling of 68178168 in words is "sixty-eight million, one hundred seventy-eight thousand, one hundred sixty-eight".