16555224466066 has 256 divisors, whose sum is σ = 31664966860800. Its totient is φ = 6376434462720.

The previous prime is 16555224466061. The next prime is 16555224466087. The reversal of 16555224466066 is 66066442255561.

It is a self number, because there is not a number n which added to its sum of digits gives 16555224466066.

It is not an unprimeable number, because it can be changed into a prime (16555224466061) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9476372605 + ... + 9476374351.

It is an arithmetic number, because the mean of its divisors is an integer number (123691276800).

Almost surely, 2^{16555224466066} is an apocalyptic number.

16555224466066 is a deficient number, since it is larger than the sum of its proper divisors (15109742394734).

16555224466066 is a wasteful number, since it uses less digits than its factorization.

16555224466066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its (nonzero) digits is 62208000, while the sum is 58.

The spelling of 16555224466066 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, four hundred sixty-six thousand, sixty-six".