68805168 has 40 divisors (see below), whose sum is σ = 183879600. Its totient is φ = 22143744.

The previous prime is 68805161. The next prime is 68805179. The reversal of 68805168 is 86150886.

It is a super-2 number, since 2×68805168² = 9468302287016448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68805161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23323 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (4596990).

Almost surely, 2^68805168 is an apocalyptic number.

It is an amenable number.

68805168 is an abundant number, since it is smaller than the sum of its proper divisors (115074432).

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

68805168 is a wasteful number, since it uses less digits than its factorization.

68805168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49469 (or 49463 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 68805168 is about 8294.8880643442. Note that the first 3 decimals coincide. The cubic root of 68805168 is about 409.7701825270.

The spelling of 68805168 in words is "sixty-eight million, eight hundred five thousand, one hundred sixty-eight".