68168871 has 20 divisors (see below), whose sum is σ = 102592512. Its totient is φ = 45106848.

The previous prime is 68168851. The next prime is 68168873. The reversal of 68168871 is 17886186.

It is not a de Polignac number, because 68168871 - 2⁷ = 68168743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68168873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8026 + ... + 14168.

Almost surely, 2^68168871 is an apocalyptic number.

68168871 is a deficient number, since it is larger than the sum of its proper divisors (34423641).

68168871 is a wasteful number, since it uses less digits than its factorization.

68168871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292 (or 6283 counting only the distinct ones).

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

The square root of 68168871 is about 8256.4442104334. Note that the first 3 decimals coincide. The cubic root of 68168871 is about 408.5031098902.

The spelling of 68168871 in words is "sixty-eight million, one hundred sixty-eight thousand, eight hundred seventy-one".