68394555549386 has 64 divisors (see below), whose sum is σ = 112838308160256. Its totient is φ = 30833580096000.

The previous prime is 68394555549343. The next prime is 68394555549403.

68394555549386 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68394555549386.

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, 11598191990 + ... + 11598197886.

It is an arithmetic number, because the mean of its divisors is an integer number (1763098565004).

Almost surely, 2^{68394555549386} is an apocalyptic number.

68394555549386 is a deficient number, since it is larger than the sum of its proper divisors (44443752610870).

68394555549386 is a wasteful number, since it uses less digits than its factorization.

68394555549386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007.

The product of its digits is 16796160000, while the sum is 80.

The spelling of 68394555549386 in words is "sixty-eight trillion, three hundred ninety-four billion, five hundred fifty-five million, five hundred forty-nine thousand, three hundred eighty-six".