68365256386 has 24 divisors (see below), whose sum is σ = 123403863420. Its totient is φ = 28289070432.

The previous prime is 68365256291. The next prime is 68365256411.

68365256386 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 65162262361 + 3202994025 = 255269^2 + 56595^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 68365256386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12024825 + ... + 12030508.

Almost surely, 2^68365256386 is an apocalyptic number.

68365256386 is a deficient number, since it is larger than the sum of its proper divisors (55038607034).

68365256386 is a wasteful number, since it uses less digits than its factorization.

68365256386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055378 (or 24055371 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 58.

The spelling of 68365256386 in words is "sixty-eight billion, three hundred sixty-five million, two hundred fifty-six thousand, three hundred eighty-six".