2000068640688 has 80 divisors (see below), whose sum is σ = 5463602307072. Its totient is φ = 629447232000.

The previous prime is 2000068640651. The next prime is 2000068640741. The reversal of 2000068640688 is 8860468600002.

It is a happy number.

It is a super-2 number, since 2×2000068640688² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16330848 + ... + 16452863.

Almost surely, 2^{2000068640688} is an apocalyptic number.

It is an amenable number.

2000068640688 is an abundant number, since it is smaller than the sum of its proper divisors (3463533666384).

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

2000068640688 is a wasteful number, since it uses less digits than its factorization.

2000068640688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32783794 (or 32783788 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 2000068640688 in words is "two trillion, sixty-eight million, six hundred forty thousand, six hundred eighty-eight".