68067476916 has 24 divisors (see below), whose sum is σ = 158954651520. Its totient is φ = 22670510592.

The previous prime is 68067476903. The next prime is 68067476921. The reversal of 68067476916 is 61967476086.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68067476916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315836 + ... + 2345043.

It is an arithmetic number, because the mean of its divisors is an integer number (6623110480).

Almost surely, 2^68067476916 is an apocalyptic number.

It is an amenable number.

68067476916 is an abundant number, since it is smaller than the sum of its proper divisors (90887174604).

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

68067476916 is a wasteful number, since it uses less digits than its factorization.

68067476916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662103 (or 4662101 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 68067476916 in words is "sixty-eight billion, sixty-seven million, four hundred seventy-six thousand, nine hundred sixteen".