650005550016 has 112 divisors (see below), whose sum is σ = 1770375167904. Its totient is φ = 210324750336.

The previous prime is 650005550011. The next prime is 650005550059. The reversal of 650005550016 is 610055500056.

650005550016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650005550011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2970376 + ... + 3181688.

It is an arithmetic number, because the mean of its divisors is an integer number (15806921142).

Almost surely, 2^650005550016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650005550016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885187583952).

650005550016 is an abundant number, since it is smaller than the sum of its proper divisors (1120369617888).

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

650005550016 is a wasteful number, since it uses less digits than its factorization.

650005550016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211798 (or 211788 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

It can be divided in two parts, 650005 and 550016, that added together give a palindrome (1200021).

The spelling of 650005550016 in words is "six hundred fifty billion, five million, five hundred fifty thousand, sixteen".