5521432665 has 16 divisors (see below), whose sum is σ = 10096334208. Its totient is φ = 2524083456.

The previous prime is 5521432663. The next prime is 5521432691. The reversal of 5521432665 is 5662341255.

It is not a de Polignac number, because 5521432665 - 2¹ = 5521432663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5521432663) 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 15 ways as a sum of consecutive naturals, for example, 26292432 + ... + 26292641.

It is an arithmetic number, because the mean of its divisors is an integer number (631020888).

Almost surely, 2^5521432665 is an apocalyptic number.

It is an amenable number.

5521432665 is a deficient number, since it is larger than the sum of its proper divisors (4574901543).

5521432665 is a wasteful number, since it uses less digits than its factorization.

5521432665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52585088.

The product of its digits is 216000, while the sum is 39.

The square root of 5521432665 is about 74306.3433698631. The cubic root of 5521432665 is about 1767.4640676848.

The spelling of 5521432665 in words is "five billion, five hundred twenty-one million, four hundred thirty-two thousand, six hundred sixty-five".