550665165510 has 128 divisors (see below), whose sum is σ = 1496547187200. Its totient is φ = 144044104320.

The previous prime is 550665165509. The next prime is 550665165511. The reversal of 550665165510 is 15561566055.

It is an interprime number because it is at equal distance from previous prime (550665165509) and next prime (550665165511).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 7402300 + ... + 7476320.

It is an arithmetic number, because the mean of its divisors is an integer number (11691774900).

Almost surely, 2^550665165510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550665165510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748273593600).

550665165510 is an abundant number, since it is smaller than the sum of its proper divisors (945882021690).

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

550665165510 is a wasteful number, since it uses less digits than its factorization.

550665165510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74563 (or 74557 counting only the distinct ones).

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

The spelling of 550665165510 in words is "five hundred fifty billion, six hundred sixty-five million, one hundred sixty-five thousand, five hundred ten".