68545315268 has 12 divisors (see below), whose sum is σ = 126267686160. Its totient is φ = 32468833512.

The previous prime is 68545315213. The next prime is 68545315297. The reversal of 68545315268 is 86251354586.

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, 450955946 + ... + 450956097.

It is an arithmetic number, because the mean of its divisors is an integer number (10522307180).

Almost surely, 2^68545315268 is an apocalyptic number.

It is an amenable number.

68545315268 is a deficient number, since it is larger than the sum of its proper divisors (57722370892).

68545315268 is a wasteful number, since it uses less digits than its factorization.

68545315268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901912066 (or 901912064 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 53.

The spelling of 68545315268 in words is "sixty-eight billion, five hundred forty-five million, three hundred fifteen thousand, two hundred sixty-eight".