16555112222 has 16 divisors (see below), whose sum is σ = 27116294400. Its totient is φ = 7517798040.

The previous prime is 16555112221. The next prime is 16555112239. The reversal of 16555112222 is 22221155561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339272 + ... + 384987.

It is an arithmetic number, because the mean of its divisors is an integer number (1694768400).

Almost surely, 2^16555112222 is an apocalyptic number.

16555112222 is a deficient number, since it is larger than the sum of its proper divisors (10561182178).

16555112222 is a wasteful number, since it uses less digits than its factorization.

16555112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725311.

The product of its digits is 12000, while the sum is 32.

Adding to 16555112222 its reverse (22221155561), we get a palindrome (38776267783).

The spelling of 16555112222 in words is "sixteen billion, five hundred fifty-five million, one hundred twelve thousand, two hundred twenty-two".