5665116522 has 64 divisors (see below), whose sum is σ = 12748135680. Its totient is φ = 1665252864.

The previous prime is 5665116497. The next prime is 5665116529. The reversal of 5665116522 is 2256115665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5665116529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2024028 + ... + 2026824.

It is an arithmetic number, because the mean of its divisors is an integer number (199189620).

Almost surely, 2^5665116522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5665116522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6374067840).

5665116522 is an abundant number, since it is smaller than the sum of its proper divisors (7083019158).

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

5665116522 is a wasteful number, since it uses less digits than its factorization.

5665116522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967.

The product of its digits is 108000, while the sum is 39.

The square root of 5665116522 is about 75266.9683327288. The cubic root of 5665116522 is about 1782.6644985348.

The spelling of 5665116522 in words is "five billion, six hundred sixty-five million, one hundred sixteen thousand, five hundred twenty-two".