68016887636241 has 16 divisors (see below), whose sum is σ = 90899728920000. Its totient is φ = 45239321594880.

The previous prime is 68016887636237. The next prime is 68016887636249. The reversal of 68016887636241 is 14263678861086.

68016887636241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68016887636241 - 2² = 68016887636237 is a prime.

It is a super-2 number, since 2×68016887636241² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68016887636249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126382681 + ... + 126919721.

It is an arithmetic number, because the mean of its divisors is an integer number (5681233057500).

Almost surely, 2^{68016887636241} is an apocalyptic number.

It is an amenable number.

68016887636241 is a deficient number, since it is larger than the sum of its proper divisors (22882841283759).

68016887636241 is a wasteful number, since it uses less digits than its factorization.

68016887636241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634976.

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 68016887636241 in words is "sixty-eight trillion, sixteen billion, eight hundred eighty-seven million, six hundred thirty-six thousand, two hundred forty-one".