5665271824 has 45 divisors (see below), whose sum is σ = 11360681631. Its totient is φ = 2736744480.

The previous prime is 5665271803. The next prime is 5665271851. The reversal of 5665271824 is 4281725665.

The square root of 5665271824 is 75268.

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

Its product of digits (806400) is a multiple of the sum of its prime divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9332929 + ... + 9333535.

Almost surely, 2^5665271824 is an apocalyptic number.

5665271824 is the 75268-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5665271824

5665271824 is an abundant number, since it is smaller than the sum of its proper divisors (5695409807).

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

5665271824 is an frugal number, since it uses more digits than its factorization.

5665271824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 640 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The cubic root of 5665271824 is about 1782.6807882164.

The spelling of 5665271824 in words is "five billion, six hundred sixty-five million, two hundred seventy-one thousand, eight hundred twenty-four".