552221538216 has 32 divisors (see below), whose sum is σ = 1380640502400. Its totient is φ = 184062291840.

The previous prime is 552221538151. The next prime is 552221538229. The reversal of 552221538216 is 612835122255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327421 + ... + 1100748.

It is an arithmetic number, because the mean of its divisors is an integer number (43145015700).

Almost surely, 2^552221538216 is an apocalyptic number.

It is an amenable number.

552221538216 is an abundant number, since it is smaller than the sum of its proper divisors (828418964184).

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

552221538216 is a wasteful number, since it uses less digits than its factorization.

552221538216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444289 (or 1444285 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 552221538216 in words is "five hundred fifty-two billion, two hundred twenty-one million, five hundred thirty-eight thousand, two hundred sixteen".