16555005552 has 40 divisors (see below), whose sum is σ = 45282811536. Its totient is φ = 5193726976.

The previous prime is 16555005541. The next prime is 16555005563. The reversal of 16555005552 is 25550055561.

16555005552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16555005541) and next prime (16555005563).

It is a self number, because there is not a number n which added to its sum of digits gives 16555005552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143183 + ... + 10144814.

Almost surely, 2^16555005552 is an apocalyptic number.

16555005552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16555005552 is an abundant number, since it is smaller than the sum of its proper divisors (28727805984).

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

16555005552 is a wasteful number, since it uses less digits than its factorization.

16555005552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288025 (or 20288019 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 39.

The spelling of 16555005552 in words is "sixteen billion, five hundred fifty-five million, five thousand, five hundred fifty-two".