68543634586 has 16 divisors (see below), whose sum is σ = 117506742336. Its totient is φ = 29375001216.

The previous prime is 68543634583. The next prime is 68543634587.

68543634586 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 68543634586.

It is not an unprimeable number, because it can be changed into a prime (68543634583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868650 + ... + 944266.

It is an arithmetic number, because the mean of its divisors is an integer number (7344171396).

Almost surely, 2^68543634586 is an apocalyptic number.

68543634586 is a deficient number, since it is larger than the sum of its proper divisors (48963107750).

68543634586 is a wasteful number, since it uses less digits than its factorization.

68543634586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140373.

The product of its digits is 49766400, while the sum is 58.

The spelling of 68543634586 in words is "sixty-eight billion, five hundred forty-three million, six hundred thirty-four thousand, five hundred eighty-six".