68236688214 has 24 divisors (see below), whose sum is σ = 148909804680. Its totient is φ = 22581924768.

The previous prime is 68236688209. The next prime is 68236688243. The reversal of 68236688214 is 41288663286.

68236688214 is a `hidden beast` number, since 68 + 2 + 366 + 8 + 8 + 214 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13633927 + ... + 13638930.

It is an arithmetic number, because the mean of its divisors is an integer number (6204575195).

Almost surely, 2^68236688214 is an apocalyptic number.

68236688214 is an abundant number, since it is smaller than the sum of its proper divisors (80673116466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68236688214 is a wasteful number, since it uses less digits than its factorization.

68236688214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27273004 (or 27273001 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 68236688214 in words is "sixty-eight billion, two hundred thirty-six million, six hundred eighty-eight thousand, two hundred fourteen".