5510656665 has 32 divisors (see below), whose sum is σ = 9861638400. Its totient is φ = 2919542400.

The previous prime is 5510656651. The next prime is 5510656667. The reversal of 5510656665 is 5666560155.

It is not a de Polignac number, because 5510656665 - 2⁵ = 5510656633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5510656665.

It is not an unprimeable number, because it can be changed into a prime (5510656667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114780 + ... + 155549.

It is an arithmetic number, because the mean of its divisors is an integer number (308176200).

Almost surely, 2^5510656665 is an apocalyptic number.

It is an amenable number.

5510656665 is a deficient number, since it is larger than the sum of its proper divisors (4350981735).

5510656665 is a wasteful number, since it uses less digits than its factorization.

5510656665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270494 (or 270488 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 5510656665 is about 74233.7973230523. The cubic root of 5510656665 is about 1766.3134848553.

The spelling of 5510656665 in words is "five billion, five hundred ten million, six hundred fifty-six thousand, six hundred sixty-five".