550163156560 has 40 divisors (see below), whose sum is σ = 1283992997760. Its totient is φ = 219228504192.

The previous prime is 550163156527. The next prime is 550163156561. The reversal of 550163156560 is 65651361055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550163156561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13053180 + ... + 13095259.

It is an arithmetic number, because the mean of its divisors is an integer number (32099824944).

Almost surely, 2^550163156560 is an apocalyptic number.

It is an amenable number.

550163156560 is an abundant number, since it is smaller than the sum of its proper divisors (733829841200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550163156560 is a wasteful number, since it uses less digits than its factorization.

550163156560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26148715 (or 26148709 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 550163156560 in words is "five hundred fifty billion, one hundred sixty-three million, one hundred fifty-six thousand, five hundred sixty".