5287616656 has 105 divisors (see below), whose sum is σ = 12181970521. Its totient is φ = 2223364416.

The previous prime is 5287616651. The next prime is 5287616693. The reversal of 5287616656 is 6566167825.

The square root of 5287616656 is 72716.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3811827600 + 1475789056 = 61740^2 + 38416^2 .

It is not an unprimeable number, because it can be changed into a prime (5287616651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 99766326 + ... + 99766378.

Almost surely, 2^5287616656 is an apocalyptic number.

5287616656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

5287616656 is the 72716-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5287616656

5287616656 is an abundant number, since it is smaller than the sum of its proper divisors (6894353865).

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

5287616656 is an frugal number, since it uses more digits than its factorization.

5287616656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 62 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The cubic root of 5287616656 is about 1742.1544475950.

The spelling of 5287616656 in words is "five billion, two hundred eighty-seven million, six hundred sixteen thousand, six hundred fifty-six".