68178445753 has 12 divisors (see below), whose sum is σ = 79008935472. Its totient is φ = 58334496320.

The previous prime is 68178445739. The next prime is 68178445771. The reversal of 68178445753 is 35754487186.

It is not a de Polignac number, because 68178445753 - 2¹⁷ = 68178314681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68178445733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10720075 + ... + 10726432.

It is an arithmetic number, because the mean of its divisors is an integer number (6584077956).

Almost surely, 2^68178445753 is an apocalyptic number.

It is an amenable number.

68178445753 is a deficient number, since it is larger than the sum of its proper divisors (10830489719).

68178445753 is a wasteful number, since it uses less digits than its factorization.

68178445753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446552 (or 21446535 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

The spelling of 68178445753 in words is "sixty-eight billion, one hundred seventy-eight million, four hundred forty-five thousand, seven hundred fifty-three".