1968763736208 has 40 divisors (see below), whose sum is σ = 5150352400000. Its totient is φ = 647947557504.

The previous prime is 1968763736207. The next prime is 1968763736239. The reversal of 1968763736208 is 8026373678691.

It is not an unprimeable number, because it can be changed into a prime (1968763736207) 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, 259590583 + ... + 259598166.

It is an arithmetic number, because the mean of its divisors is an integer number (128758810000).

Almost surely, 2^{1968763736208} is an apocalyptic number.

It is an amenable number.

1968763736208 is an abundant number, since it is smaller than the sum of its proper divisors (3181588663792).

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

1968763736208 is a wasteful number, since it uses less digits than its factorization.

1968763736208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519188839 (or 519188833 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 1968763736208 in words is "one trillion, nine hundred sixty-eight billion, seven hundred sixty-three million, seven hundred thirty-six thousand, two hundred eight".