68680258786522 has 16 divisors (see below), whose sum is σ = 103766639709600. Its totient is φ = 34091403158160.

The previous prime is 68680258786519. The next prime is 68680258786549. The reversal of 68680258786522 is 22568785208686.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390304 + ... + 11726587.

It is an arithmetic number, because the mean of its divisors is an integer number (6485414981850).

Almost surely, 2^{68680258786522} is an apocalyptic number.

68680258786522 is a deficient number, since it is larger than the sum of its proper divisors (35086380923078).

68680258786522 is a wasteful number, since it uses less digits than its factorization.

68680258786522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12137421.

The product of its (nonzero) digits is 1238630400, while the sum is 73.

The spelling of 68680258786522 in words is "sixty-eight trillion, six hundred eighty billion, two hundred fifty-eight million, seven hundred eighty-six thousand, five hundred twenty-two".