68303083216 has 10 divisors (see below), whose sum is σ = 132337223762. Its totient is φ = 34151541600.

The previous prime is 68303083181. The next prime is 68303083229. The reversal of 68303083216 is 61238030386.

It can be written as a sum of positive squares in only one way, i.e., 67810243216 + 492840000 = 260404^2 + 22200^2 .

It is a super-2 number, since 2×68303083216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134471335 + ... + 2134471366.

Almost surely, 2^68303083216 is an apocalyptic number.

It is an amenable number.

68303083216 is a deficient number, since it is larger than the sum of its proper divisors (64034140546).

68303083216 is a wasteful number, since it uses less digits than its factorization.

68303083216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268942709 (or 4268942703 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 68303083216 in words is "sixty-eight billion, three hundred three million, eighty-three thousand, two hundred sixteen".