68116413281 has 8 divisors (see below), whose sum is σ = 77869798080. Its totient is φ = 58368645648.

The previous prime is 68116413271. The next prime is 68116413317. The reversal of 68116413281 is 18231461186.

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

It is a cyclic number.

It is not a de Polignac number, because 68116413281 - 2²⁶ = 68049304417 is a prime.

It is a super-2 number, since 2×68116413281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68116413271) 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, 1378271 + ... + 1426836.

It is an arithmetic number, because the mean of its divisors is an integer number (9733724760).

Almost surely, 2^68116413281 is an apocalyptic number.

It is an amenable number.

68116413281 is a deficient number, since it is larger than the sum of its proper divisors (9753384799).

68116413281 is a wasteful number, since it uses less digits than its factorization.

68116413281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808583.

The product of its digits is 55296, while the sum is 41.

The spelling of 68116413281 in words is "sixty-eight billion, one hundred sixteen million, four hundred thirteen thousand, two hundred eighty-one".