1768305975564 has 48 divisors (see below), whose sum is σ = 4483311150080. Its totient is φ = 540399107520.

The previous prime is 1768305975559. The next prime is 1768305975577. The reversal of 1768305975564 is 4655795038671.

It is a junction number, because it is equal to n+sod(n) for n = 1768305975495 and 1768305975504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125085319 + ... + 125099454.

Almost surely, 2^{1768305975564} is an apocalyptic number.

It is an amenable number.

1768305975564 is an abundant number, since it is smaller than the sum of its proper divisors (2715005174516).

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

1768305975564 is a wasteful number, since it uses less digits than its factorization.

1768305975564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250184830 (or 250184828 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 66.

The spelling of 1768305975564 in words is "one trillion, seven hundred sixty-eight billion, three hundred five million, nine hundred seventy-five thousand, five hundred sixty-four".