549738166016 has 144 divisors (see below), whose sum is σ = 1261803518976. Its totient is φ = 237048311808.

The previous prime is 549738165989. The next prime is 549738166049. The reversal of 549738166016 is 610661837945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207881 + ... + 3374903.

Almost surely, 2^549738166016 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 549738166016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630901759488).

549738166016 is an abundant number, since it is smaller than the sum of its proper divisors (712065352960).

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

549738166016 is a wasteful number, since it uses less digits than its factorization.

549738166016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167118 (or 167104 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 549738166016 in words is "five hundred forty-nine billion, seven hundred thirty-eight million, one hundred sixty-six thousand, sixteen".