16556016205522 has 8 divisors (see below), whose sum is σ = 24884602770672. Its totient is φ = 8261148615300.

The previous prime is 16556016205517. The next prime is 16556016205523. The reversal of 16556016205522 is 22550261065561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16556016205523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429742504 + ... + 8429744467.

It is an arithmetic number, because the mean of its divisors is an integer number (3110575346334).

Almost surely, 2^{16556016205522} is an apocalyptic number.

16556016205522 is a deficient number, since it is larger than the sum of its proper divisors (8328586565150).

16556016205522 is a wasteful number, since it uses less digits than its factorization.

16556016205522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859487464.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 16556016205522 in words is "sixteen trillion, five hundred fifty-six billion, sixteen million, two hundred five thousand, five hundred twenty-two".