550163242446 has 16 divisors (see below), whose sum is σ = 1105131406800. Its totient is φ = 182586927168.

The previous prime is 550163242427. The next prime is 550163242477. The reversal of 550163242446 is 644242361055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550163242398 and 550163242407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200203591 + ... + 200206338.

It is an arithmetic number, because the mean of its divisors is an integer number (69070712925).

Almost surely, 2^550163242446 is an apocalyptic number.

550163242446 is an abundant number, since it is smaller than the sum of its proper divisors (554968164354).

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

550163242446 is a wasteful number, since it uses less digits than its factorization.

550163242446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400410163.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 550163242446 in words is "five hundred fifty billion, one hundred sixty-three million, two hundred forty-two thousand, four hundred forty-six".