68021688014 has 16 divisors (see below), whose sum is σ = 117740732928. Its totient is φ = 28869120792.

The previous prime is 68021687983. The next prime is 68021688019. The reversal of 68021688014 is 41088612086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68021688019) 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, 23584442 + ... + 23587325.

It is an arithmetic number, because the mean of its divisors is an integer number (7358795808).

Almost surely, 2^68021688014 is an apocalyptic number.

68021688014 is a deficient number, since it is larger than the sum of its proper divisors (49719044914).

68021688014 is a wasteful number, since it uses less digits than its factorization.

68021688014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47171879.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 68021688014 in words is "sixty-eight billion, twenty-one million, six hundred eighty-eight thousand, fourteen".