549816284160 has 1760 divisors, whose sum is σ = 2364859994112. Its totient is φ = 120394874880.

The previous prime is 549816284123. The next prime is 549816284161. The reversal of 549816284160 is 61482618945.

549816284160 is a `hidden beast` number, since 5 + 4 + 9 + 8 + 1 + 628 + 4 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1760).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 549816284097 and 549816284106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549816284161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4329262017 + ... + 4329262143.

Almost surely, 2^549816284160 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 549816284160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182429997056).

549816284160 is an abundant number, since it is smaller than the sum of its proper divisors (1815043709952).

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

549816284160 is a wasteful number, since it uses less digits than its factorization.

549816284160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 549816284160 in words is "five hundred forty-nine billion, eight hundred sixteen million, two hundred eighty-four thousand, one hundred sixty".