68168594433 has 8 divisors (see below), whose sum is σ = 91470386368. Its totient is φ = 45156266064.

The previous prime is 68168594419. The next prime is 68168594443. The reversal of 68168594433 is 33449586186.

68168594433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 68168594433 - 2⁸ = 68168594177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68168594443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72365341 + ... + 72366282.

It is an arithmetic number, because the mean of its divisors is an integer number (11433798296).

Almost surely, 2^68168594433 is an apocalyptic number.

It is an amenable number.

68168594433 is a deficient number, since it is larger than the sum of its proper divisors (23301791935).

68168594433 is a wasteful number, since it uses less digits than its factorization.

68168594433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144731783.

The product of its digits is 14929920, while the sum is 57.

The spelling of 68168594433 in words is "sixty-eight billion, one hundred sixty-eight million, five hundred ninety-four thousand, four hundred thirty-three".