68368061345 has 32 divisors (see below), whose sum is σ = 84505196160. Its totient is φ = 53070151680.

The previous prime is 68368061329. The next prime is 68368061369. The reversal of 68368061345 is 54316086386.

It is not a de Polignac number, because 68368061345 - 2⁴ = 68368061329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68368061293 and 68368061302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23260886 + ... + 23263824.

It is an arithmetic number, because the mean of its divisors is an integer number (2640787380).

Almost surely, 2^68368061345 is an apocalyptic number.

It is an amenable number.

68368061345 is a deficient number, since it is larger than the sum of its proper divisors (16137134815).

68368061345 is a wasteful number, since it uses less digits than its factorization.

68368061345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 68368061345 in words is "sixty-eight billion, three hundred sixty-eight million, sixty-one thousand, three hundred forty-five".