549147360797568 has 192 divisors, whose sum is σ = 1701978167307600. Its totient is φ = 168949218484224.

The previous prime is 549147360797537. The next prime is 549147360797579. The reversal of 549147360797568 is 865797063741945.

549147360797568 is a `hidden beast` number, since 5 + 4 + 9 + 1 + 47 + 3 + 6 + 0 + 7 + 9 + 7 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129994396 + ... + 134152292.

Almost surely, 2^{549147360797568} 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 549147360797568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850989083653800).

549147360797568 is an abundant number, since it is smaller than the sum of its proper divisors (1152830806510032).

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

549147360797568 is a wasteful number, since it uses less digits than its factorization.

549147360797568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166749 (or 4166734 counting only the distinct ones).

The product of its (nonzero) digits is 9601804800, while the sum is 81.

The spelling of 549147360797568 in words is "five hundred forty-nine trillion, one hundred forty-seven billion, three hundred sixty million, seven hundred ninety-seven thousand, five hundred sixty-eight".