16555229088 has 192 divisors, whose sum is σ = 46332518400. Its totient is φ = 5166720000.

The previous prime is 16555229081. The next prime is 16555229137. The reversal of 16555229088 is 88092255561.

It is a happy number.

It is a super-2 number, since 2×16555229088² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16555229088.

It is not an unprimeable number, because it can be changed into a prime (16555229081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27637813 + ... + 27638411.

It is an arithmetic number, because the mean of its divisors is an integer number (241315200).

Almost surely, 2^16555229088 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 16555229088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23166259200).

16555229088 is an abundant number, since it is smaller than the sum of its proper divisors (29777289312).

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

16555229088 is a wasteful number, since it uses less digits than its factorization.

16555229088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The spelling of 16555229088 in words is "sixteen billion, five hundred fifty-five million, two hundred twenty-nine thousand, eighty-eight".