16105556555 has 16 divisors (see below), whose sum is σ = 21189600000. Its totient is φ = 11654264160.

The previous prime is 16105556527. The next prime is 16105556567. The reversal of 16105556555 is 55565550161.

It is not a de Polignac number, because 16105556555 - 2¹⁶ = 16105491019 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724805 + ... + 746694.

It is an arithmetic number, because the mean of its divisors is an integer number (1324350000).

Almost surely, 2^16105556555 is an apocalyptic number.

16105556555 is a deficient number, since it is larger than the sum of its proper divisors (5084043445).

16105556555 is a wasteful number, since it uses less digits than its factorization.

16105556555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471714.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 16105556555 in words is "sixteen billion, one hundred five million, five hundred fifty-six thousand, five hundred fifty-five".