549923655168 has 800 divisors, whose sum is σ = 1862151841440. Its totient is φ = 160526499840.

The previous prime is 549923655131. The next prime is 549923655217. The reversal of 549923655168 is 861556329945.

549923655168 is a `hidden beast` number, since 5 + 4 + 99 + 23 + 6 + 5 + 516 + 8 = 666.

Its product of digits (69984000) is a multiple of the sum of its prime factors (800).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 817122480 + ... + 817123152.

Almost surely, 2^549923655168 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 549923655168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931075920720).

549923655168 is an abundant number, since it is smaller than the sum of its proper divisors (1312228186272).

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

549923655168 is a wasteful number, since it uses less digits than its factorization.

549923655168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 775 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 63.

The spelling of 549923655168 in words is "five hundred forty-nine billion, nine hundred twenty-three million, six hundred fifty-five thousand, one hundred sixty-eight".