68536463586 has 16 divisors (see below), whose sum is σ = 144287292000. Its totient is φ = 21643093728.

The previous prime is 68536463551. The next prime is 68536463609.

It is a happy number.

68536463586 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300598411 + ... + 300598638.

It is an arithmetic number, because the mean of its divisors is an integer number (9017955750).

Almost surely, 2^68536463586 is an apocalyptic number.

68536463586 is an abundant number, since it is smaller than the sum of its proper divisors (75750828414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68536463586 is a wasteful number, since it uses less digits than its factorization.

68536463586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601197073.

The product of its digits is 74649600, while the sum is 60.

The spelling of 68536463586 in words is "sixty-eight billion, five hundred thirty-six million, four hundred sixty-three thousand, five hundred eighty-six".