5731858656 has 144 divisors (see below), whose sum is σ = 16627560768. Its totient is φ = 1872460800.

The previous prime is 5731858619. The next prime is 5731858661. The reversal of 5731858656 is 6568581375.

5731858656 is a `hidden beast` number, since 5 + 7 + 3 + 1 + 8 + 586 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7571430 + ... + 7572186.

It is an arithmetic number, because the mean of its divisors is an integer number (115469172).

Almost surely, 2^5731858656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5731858656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8313780384).

5731858656 is an abundant number, since it is smaller than the sum of its proper divisors (10895702112).

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

5731858656 is a wasteful number, since it uses less digits than its factorization.

5731858656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1254 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 5731858656 is about 75709.0394602917. The cubic root of 5731858656 is about 1789.6378548086.

The spelling of 5731858656 in words is "five billion, seven hundred thirty-one million, eight hundred fifty-eight thousand, six hundred fifty-six".