67168870857 has 24 divisors (see below), whose sum is σ = 106812900480. Its totient is φ = 40334928480.

The previous prime is 67168870843. The next prime is 67168870897. The reversal of 67168870857 is 75807886176.

It is not a de Polignac number, because 67168870857 - 2⁴ = 67168870841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67168870794 and 67168870803.

It is not an unprimeable number, because it can be changed into a prime (67168870897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3101473 + ... + 3123054.

It is an arithmetic number, because the mean of its divisors is an integer number (4450537520).

Almost surely, 2^67168870857 is an apocalyptic number.

It is an amenable number.

67168870857 is a deficient number, since it is larger than the sum of its proper divisors (39644029623).

67168870857 is a wasteful number, since it uses less digits than its factorization.

67168870857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224653 (or 6224650 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 63.

The spelling of 67168870857 in words is "sixty-seven billion, one hundred sixty-eight million, eight hundred seventy thousand, eight hundred fifty-seven".