550662011666 has 16 divisors (see below), whose sum is σ = 890220020928. Its totient is φ = 253954818000.

The previous prime is 550662011659. The next prime is 550662011689. The reversal of 550662011666 is 666110266055.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8169110 + ... + 8236241.

It is an arithmetic number, because the mean of its divisors is an integer number (55638751308).

Almost surely, 2^550662011666 is an apocalyptic number.

550662011666 is a deficient number, since it is larger than the sum of its proper divisors (339558009262).

550662011666 is a wasteful number, since it uses less digits than its factorization.

550662011666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406657.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 550662011666 in words is "five hundred fifty billion, six hundred sixty-two million, eleven thousand, six hundred sixty-six".