68834566543886 has 64 divisors (see below), whose sum is σ = 123743261730816. Its totient is φ = 28306372838400.

The previous prime is 68834566543879. The next prime is 68834566543907.

68834566543886 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 68834566543886.

It is a congruent number.

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, 9187430 + ... + 14902281.

It is an arithmetic number, because the mean of its divisors is an integer number (1933488464544).

Almost surely, 2^{68834566543886} is an apocalyptic number.

68834566543886 is a deficient number, since it is larger than the sum of its proper divisors (54908695186930).

68834566543886 is a wasteful number, since it uses less digits than its factorization.

68834566543886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089937.

The product of its digits is 19110297600, while the sum is 80.

The spelling of 68834566543886 in words is "sixty-eight trillion, eight hundred thirty-four billion, five hundred sixty-six million, five hundred forty-three thousand, eight hundred eighty-six".