68705332168 has 64 divisors (see below), whose sum is σ = 141359904000. Its totient is φ = 31046433600.

The previous prime is 68705332139. The next prime is 68705332177. The reversal of 68705332168 is 86123350786.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23375643 + ... + 23378581.

It is an arithmetic number, because the mean of its divisors is an integer number (2208748500).

Almost surely, 2^68705332168 is an apocalyptic number.

It is an amenable number.

68705332168 is an abundant number, since it is smaller than the sum of its proper divisors (72654571832).

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

68705332168 is a wasteful number, since it uses less digits than its factorization.

68705332168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4422 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 68705332168 in words is "sixty-eight billion, seven hundred five million, three hundred thirty-two thousand, one hundred sixty-eight".