68460130685 has 8 divisors (see below), whose sum is σ = 84155868216. Its totient is φ = 53432296960.

The previous prime is 68460130667. The next prime is 68460130693. The reversal of 68460130685 is 58603106486.

It can be written as a sum of positive squares in 4 ways, for example, as 1571171044 + 66888959641 = 39638^2 + 258629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68460130685 - 2⁸ = 68460130429 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 166975724 + ... + 166976133.

It is an arithmetic number, because the mean of its divisors is an integer number (10519483527).

Almost surely, 2^68460130685 is an apocalyptic number.

It is an amenable number.

68460130685 is a deficient number, since it is larger than the sum of its proper divisors (15695737531).

68460130685 is a wasteful number, since it uses less digits than its factorization.

68460130685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333951903.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 68460130685 in words is "sixty-eight billion, four hundred sixty million, one hundred thirty thousand, six hundred eighty-five".