16065500055 has 64 divisors (see below), whose sum is σ = 29918439936. Its totient is φ = 7275008000.

The previous prime is 16065500053. The next prime is 16065500131. The reversal of 16065500055 is 55000556061.

It is not a de Polignac number, because 16065500055 - 2¹ = 16065500053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 16065499989 and 16065500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065500051) 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 63 ways as a sum of consecutive naturals, for example, 345595 + ... + 389315.

It is an arithmetic number, because the mean of its divisors is an integer number (467475624).

Almost surely, 2^16065500055 is an apocalyptic number.

16065500055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16065500055 is a deficient number, since it is larger than the sum of its proper divisors (13852939881).

16065500055 is a wasteful number, since it uses less digits than its factorization.

16065500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43888.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 16065500055 in words is "sixteen billion, sixty-five million, five hundred thousand, fifty-five".