5287661316 has 192 divisors, whose sum is σ = 16618291200. Its totient is φ = 1420270848.

The previous prime is 5287661303. The next prime is 5287661347. The reversal of 5287661316 is 6131667825.

5287661316 is a `hidden beast` number, since 5 + 28 + 7 + 6 + 613 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1966525 + ... + 1969211.

It is an arithmetic number, because the mean of its divisors is an integer number (86553600).

Almost surely, 2^5287661316 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 5287661316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8309145600).

5287661316 is an abundant number, since it is smaller than the sum of its proper divisors (11330629884).

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

5287661316 is a wasteful number, since it uses less digits than its factorization.

5287661316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2855 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 5287661316 is about 72716.3070844498. The cubic root of 5287661316 is about 1742.1593524134.

The spelling of 5287661316 in words is "five billion, two hundred eighty-seven million, six hundred sixty-one thousand, three hundred sixteen".