550951964160 has 320 divisors, whose sum is σ = 1900843338240. Its totient is φ = 135330693120.

The previous prime is 550951964119. The next prime is 550951964191. The reversal of 550951964160 is 61469159055.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49015821 + ... + 49027059.

It is an arithmetic number, because the mean of its divisors is an integer number (5940135432).

Almost surely, 2^550951964160 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 550951964160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950421669120).

550951964160 is an abundant number, since it is smaller than the sum of its proper divisors (1349891374080).

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

550951964160 is a wasteful number, since it uses less digits than its factorization.

550951964160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 550951964160 in words is "five hundred fifty billion, nine hundred fifty-one million, nine hundred sixty-four thousand, one hundred sixty".