550013654666 has 16 divisors (see below), whose sum is σ = 942996027840. Its totient is φ = 235691268480.

The previous prime is 550013654623. The next prime is 550013654669. The reversal of 550013654666 is 666456310055.

It is a self number, because there is not a number n which added to its sum of digits gives 550013654666.

It is not an unprimeable number, because it can be changed into a prime (550013654669) 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 7 ways as a sum of consecutive naturals, for example, 2287175 + ... + 2516186.

It is an arithmetic number, because the mean of its divisors is an integer number (58937251740).

Almost surely, 2^550013654666 is an apocalyptic number.

550013654666 is a deficient number, since it is larger than the sum of its proper divisors (392982373174).

550013654666 is a wasteful number, since it uses less digits than its factorization.

550013654666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811549.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 550013654666 in words is "five hundred fifty billion, thirteen million, six hundred fifty-four thousand, six hundred sixty-six".