5681247168 has 56 divisors (see below), whose sum is σ = 15044001408. Its totient is φ = 1892190976.

The previous prime is 5681247149. The next prime is 5681247191. The reversal of 5681247168 is 8617421865.

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

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, 234805 + ... + 257867.

Almost surely, 2^5681247168 is an apocalyptic number.

It is an amenable number.

5681247168 is an abundant number, since it is smaller than the sum of its proper divisors (9362754240).

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

5681247168 is a wasteful number, since it uses less digits than its factorization.

5681247168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24361 (or 24351 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 5681247168 is about 75374.0483721022. The cubic root of 5681247168 is about 1784.3548597987.

The spelling of 5681247168 in words is "five billion, six hundred eighty-one million, two hundred forty-seven thousand, one hundred sixty-eight".