5781389168 has 40 divisors (see below), whose sum is σ = 11332661568. Its totient is φ = 2856978432.

The previous prime is 5781389147. The next prime is 5781389191. The reversal of 5781389168 is 8619831875.

It is a congruent number.

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, 659180 + ... + 667892.

Almost surely, 2^5781389168 is an apocalyptic number.

It is an amenable number.

5781389168 is a deficient number, since it is larger than the sum of its proper divisors (5551272400).

5781389168 is a wasteful number, since it uses less digits than its factorization.

5781389168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201 (or 9195 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 56.

The square root of 5781389168 is about 76035.4467863509. The cubic root of 5781389168 is about 1794.7779892656. Note that the first 3 decimals are identical.

The spelling of 5781389168 in words is "five billion, seven hundred eighty-one million, three hundred eighty-nine thousand, one hundred sixty-eight".