5550655655666 has 32 divisors (see below), whose sum is σ = 9178873890048. Its totient is φ = 2496499788240.

The previous prime is 5550655655659. The next prime is 5550655655693. The reversal of 5550655655666 is 6665565560555.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595380 + ... + 4223423.

It is an arithmetic number, because the mean of its divisors is an integer number (286839809064).

Almost surely, 2^{5550655655666} is an apocalyptic number.

5550655655666 is a deficient number, since it is larger than the sum of its proper divisors (3628218234382).

5550655655666 is a wasteful number, since it uses less digits than its factorization.

5550655655666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819206.

The product of its (nonzero) digits is 607500000, while the sum is 65.

The spelling of 5550655655666 in words is "five trillion, five hundred fifty billion, six hundred fifty-five million, six hundred fifty-five thousand, six hundred sixty-six".