68512421586 has 32 divisors (see below), whose sum is σ = 157209183360. Its totient is φ = 19498807296.

The previous prime is 68512421581. The next prime is 68512421591.

68512421586 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (68512421581) and next prime (68512421591).

It is not an unprimeable number, because it can be changed into a prime (68512421581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162841 + ... + 3184428.

It is an arithmetic number, because the mean of its divisors is an integer number (4912786980).

Almost surely, 2^68512421586 is an apocalyptic number.

68512421586 is an abundant number, since it is smaller than the sum of its proper divisors (88696761774).

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

68512421586 is a wasteful number, since it uses less digits than its factorization.

68512421586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347538.

The product of its digits is 921600, while the sum is 48.

The spelling of 68512421586 in words is "sixty-eight billion, five hundred twelve million, four hundred twenty-one thousand, five hundred eighty-six".