68586313488 has 160 divisors (see below), whose sum is σ = 222967157760. Its totient is φ = 17648033280.

The previous prime is 68586313483. The next prime is 68586313583. The reversal of 68586313488 is 88431368586.

It is a super-2 number, since 2×68586313488² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68586313483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308758 + ... + 482186.

It is an arithmetic number, because the mean of its divisors is an integer number (1393544736).

Almost surely, 2^68586313488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68586313488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111483578880).

68586313488 is an abundant number, since it is smaller than the sum of its proper divisors (154380844272).

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

68586313488 is a wasteful number, since it uses less digits than its factorization.

68586313488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173565 (or 173559 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The spelling of 68586313488 in words is "sixty-eight billion, five hundred eighty-six million, three hundred thirteen thousand, four hundred eighty-eight".