68116533 has 16 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 44861040.

The previous prime is 68116511. The next prime is 68116541. The reversal of 68116533 is 33561186.

It is not a de Polignac number, because 68116533 - 2⁶ = 68116469 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68116494 and 68116503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68116033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157828 + ... + 158258.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^68116533 is an apocalyptic number.

It is an amenable number.

68116533 is a deficient number, since it is larger than the sum of its proper divisors (23813067).

68116533 is a wasteful number, since it uses less digits than its factorization.

68116533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its digits is 12960, while the sum is 33.

The square root of 68116533 is about 8253.2740776010. The cubic root of 68116533 is about 408.3985376738.

The spelling of 68116533 in words is "sixty-eight million, one hundred sixteen thousand, five hundred thirty-three".