16555224206247 has 16 divisors (see below), whose sum is σ = 22276427854560. Its totient is φ = 10935420940800.

The previous prime is 16555224206233. The next prime is 16555224206263. The reversal of 16555224206247 is 74260242255561.

It is not a de Polignac number, because 16555224206247 - 2⁴ = 16555224206231 is a prime.

It is a super-2 number, since 2×16555224206247² (a number of 27 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 16555224206247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555224208247) 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 15 ways as a sum of consecutive naturals, for example, 29426347 + ... + 29983667.

It is an arithmetic number, because the mean of its divisors is an integer number (1392276740910).

Almost surely, 2^{16555224206247} is an apocalyptic number.

16555224206247 is a deficient number, since it is larger than the sum of its proper divisors (5721203648313).

16555224206247 is a wasteful number, since it uses less digits than its factorization.

16555224206247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648274.

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 16555224206247 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, two hundred six thousand, two hundred forty-seven".