68876643163 has 16 divisors (see below), whose sum is σ = 70186314240. Its totient is φ = 67580289216.

The previous prime is 68876643109. The next prime is 68876643167. The reversal of 68876643163 is 36134667886.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68876643163 - 2¹⁷ = 68876512091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68876643098 and 68876643107.

It is not an unprimeable number, because it can be changed into a prime (68876643167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9553306 + ... + 9560512.

It is an arithmetic number, because the mean of its divisors is an integer number (4386644640).

Almost surely, 2^68876643163 is an apocalyptic number.

68876643163 is a deficient number, since it is larger than the sum of its proper divisors (1309671077).

68876643163 is a wasteful number, since it uses less digits than its factorization.

68876643163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106.

The product of its digits is 20901888, while the sum is 58.

The spelling of 68876643163 in words is "sixty-eight billion, eight hundred seventy-six million, six hundred forty-three thousand, one hundred sixty-three".