554216721312 has 96 divisors (see below), whose sum is σ = 1505934581760. Its totient is φ = 178281250560.

The previous prime is 554216721293. The next prime is 554216721349. The reversal of 554216721312 is 213127612455.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809013 + ... + 1327755.

It is an arithmetic number, because the mean of its divisors is an integer number (15686818560).

Almost surely, 2^554216721312 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 554216721312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752967290880).

554216721312 is an abundant number, since it is smaller than the sum of its proper divisors (951717860448).

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

554216721312 is a wasteful number, since it uses less digits than its factorization.

554216721312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519146 (or 519138 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The spelling of 554216721312 in words is "five hundred fifty-four billion, two hundred sixteen million, seven hundred twenty-one thousand, three hundred twelve".