550166656103 has 4 divisors (see below), whose sum is σ = 550484122728. Its totient is φ = 549849189480.

The previous prime is 550166656099. The next prime is 550166656141. The reversal of 550166656103 is 301656661055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550166656103 - 2² = 550166656099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550166656183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158730713 + ... + 158734178.

It is an arithmetic number, because the mean of its divisors is an integer number (137621030682).

Almost surely, 2^550166656103 is an apocalyptic number.

550166656103 is a deficient number, since it is larger than the sum of its proper divisors (317466625).

550166656103 is a wasteful number, since it uses less digits than its factorization.

550166656103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317466624.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 550166656103 in words is "five hundred fifty billion, one hundred sixty-six million, six hundred fifty-six thousand, one hundred three".