550166655015 has 12 divisors (see below), whose sum is σ = 953622202104. Its totient is φ = 293422215984.

The previous prime is 550166654969. The next prime is 550166655019. The reversal of 550166655015 is 510556661055.

It is not a de Polignac number, because 550166655015 - 2¹⁴ = 550166638631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12225925667 = 550166655015 / (5 + 5 + 0 + 1 + 6 + 6 + 6 + 5 + 5 + 0 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550166655019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6112962789 + ... + 6112962878.

It is an arithmetic number, because the mean of its divisors is an integer number (79468516842).

Almost surely, 2^550166655015 is an apocalyptic number.

550166655015 is a deficient number, since it is larger than the sum of its proper divisors (403455547089).

550166655015 is a wasteful number, since it uses less digits than its factorization.

550166655015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225925678 (or 12225925675 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 550166655015 in words is "five hundred fifty billion, one hundred sixty-six million, six hundred fifty-five thousand, fifteen".