16555005537 has 16 divisors (see below), whose sum is σ = 25265328000. Its totient is φ = 9445508352.

The previous prime is 16555005491. The next prime is 16555005541. The reversal of 16555005537 is 73550055561.

16555005537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16555005537 - 2¹⁵ = 16554972769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16555005587) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 589912 + ... + 617337.

It is an arithmetic number, because the mean of its divisors is an integer number (1579083000).

Almost surely, 2^16555005537 is an apocalyptic number.

It is an amenable number.

16555005537 is a deficient number, since it is larger than the sum of its proper divisors (8710322463).

16555005537 is a wasteful number, since it uses less digits than its factorization.

16555005537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207912.

The product of its (nonzero) digits is 393750, while the sum is 42.

The spelling of 16555005537 in words is "sixteen billion, five hundred fifty-five million, five thousand, five hundred thirty-seven".