68068864684 has 24 divisors (see below), whose sum is σ = 120876537600. Its totient is φ = 33533332560.

The previous prime is 68068864663. The next prime is 68068864691. The reversal of 68068864684 is 48646886086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365887 + ... + 519625.

It is an arithmetic number, because the mean of its divisors is an integer number (5036522400).

Almost surely, 2^68068864684 is an apocalyptic number.

It is an amenable number.

68068864684 is a deficient number, since it is larger than the sum of its proper divisors (52807672916).

68068864684 is a wasteful number, since it uses less digits than its factorization.

68068864684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155373 (or 155371 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 64.

The spelling of 68068864684 in words is "sixty-eight billion, sixty-eight million, eight hundred sixty-four thousand, six hundred eighty-four".