68043853526 has 32 divisors (see below), whose sum is σ = 111944470176. Its totient is φ = 30762784000.

The previous prime is 68043853519. The next prime is 68043853543. The reversal of 68043853526 is 62535834086.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348236 + ... + 3368496.

It is an arithmetic number, because the mean of its divisors is an integer number (3498264693).

Almost surely, 2^68043853526 is an apocalyptic number.

68043853526 is a deficient number, since it is larger than the sum of its proper divisors (43900616650).

68043853526 is a wasteful number, since it uses less digits than its factorization.

68043853526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 68043853526 in words is "sixty-eight billion, forty-three million, eight hundred fifty-three thousand, five hundred twenty-six".