68513504850116 has 12 divisors (see below), whose sum is σ = 124033069125420. Its totient is φ = 33075485100000.

The previous prime is 68513504850053. The next prime is 68513504850157. The reversal of 68513504850116 is 61105840531586.

It can be written as a sum of positive squares in 2 ways, for example, as 11248779366400 + 57264725483716 = 3353920^2 + 7567346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295316831135 + ... + 295316831366.

It is an arithmetic number, because the mean of its divisors is an integer number (10336089093785).

Almost surely, 2^{68513504850116} is an apocalyptic number.

It is an amenable number.

68513504850116 is a deficient number, since it is larger than the sum of its proper divisors (55519564275304).

68513504850116 is a wasteful number, since it uses less digits than its factorization.

68513504850116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590633662534 (or 590633662532 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 68513504850116 in words is "sixty-eight trillion, five hundred thirteen billion, five hundred four million, eight hundred fifty thousand, one hundred sixteen".