6565051332 has 144 divisors (see below), whose sum is σ = 19279757952. Its totient is φ = 1844881920.

The previous prime is 6565051331. The next prime is 6565051343. The reversal of 6565051332 is 2331505656.

6565051332 is a `hidden beast` number, since 65 + 6 + 50 + 513 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6565051331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5876838 + ... + 5877954.

It is an arithmetic number, because the mean of its divisors is an integer number (133887208).

Almost surely, 2^6565051332 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 6565051332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9639878976).

6565051332 is an abundant number, since it is smaller than the sum of its proper divisors (12714706620).

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

6565051332 is a wasteful number, since it uses less digits than its factorization.

6565051332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 6565051332 is about 81025.0043628509. The cubic root of 6565051332 is about 1872.4606888586.

Adding to 6565051332 its reverse (2331505656), we get a palindrome (8896556988).

The spelling of 6565051332 in words is "six billion, five hundred sixty-five million, fifty-one thousand, three hundred thirty-two".