68718160 has 80 divisors (see below), whose sum is σ = 183666816. Its totient is φ = 23422464.

The previous prime is 68718151. The next prime is 68718161. The reversal of 68718160 is 6181786.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68718161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154899 + ... + 155341.

Almost surely, 2^68718160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68718160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91833408).

68718160 is an abundant number, since it is smaller than the sum of its proper divisors (114948656).

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

68718160 is a wasteful number, since it uses less digits than its factorization.

68718160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 68718160 is about 8289.6417292908. The cubic root of 68718160 is about 409.5973838639.

It can be divided in two parts, 687181 and 60, that added together give a square (687241 = 829²).

The spelling of 68718160 in words is "sixty-eight million, seven hundred eighteen thousand, one hundred sixty".