68203871684 has 72 divisors (see below), whose sum is σ = 136672273920. Its totient is φ = 29599179264.

The previous prime is 68203871663. The next prime is 68203871707. The reversal of 68203871684 is 48617830286.

It is a super-2 number, since 2×68203871684² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 30460637 + ... + 30462875.

Almost surely, 2^68203871684 is an apocalyptic number.

It is an amenable number.

68203871684 is an abundant number, since it is smaller than the sum of its proper divisors (68468402236).

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

68203871684 is a wasteful number, since it uses less digits than its factorization.

68203871684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 68203871684 in words is "sixty-eight billion, two hundred three million, eight hundred seventy-one thousand, six hundred eighty-four".