550665165513 has 16 divisors (see below), whose sum is σ = 736593186816. Its totient is φ = 365925240720.

The previous prime is 550665165511. The next prime is 550665165517. The reversal of 550665165513 is 315561566055.

It is not a de Polignac number, because 550665165513 - 2¹ = 550665165511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550665165511) 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 15 ways as a sum of consecutive naturals, for example, 1169256 + ... + 1571142.

It is an arithmetic number, because the mean of its divisors is an integer number (46037074176).

Almost surely, 2^550665165513 is an apocalyptic number.

It is an amenable number.

550665165513 is a deficient number, since it is larger than the sum of its proper divisors (185928021303).

550665165513 is a wasteful number, since it uses less digits than its factorization.

550665165513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403364.

The product of its (nonzero) digits is 2025000, while the sum is 48.

The spelling of 550665165513 in words is "five hundred fifty billion, six hundred sixty-five million, one hundred sixty-five thousand, five hundred thirteen".