16522556045 has 4 divisors (see below), whose sum is σ = 19827067260. Its totient is φ = 13218044832.

The previous prime is 16522556021. The next prime is 16522556059. The reversal of 16522556045 is 54065522561.

16522556045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7646278249 + 8876277796 = 87443^2 + 94214^2 .

It is a cyclic number.

It is not a de Polignac number, because 16522556045 - 2¹⁴ = 16522539661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16522555993 and 16522556011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652255600 + ... + 1652255609.

It is an arithmetic number, because the mean of its divisors is an integer number (4956766815).

Almost surely, 2^16522556045 is an apocalyptic number.

It is an amenable number.

16522556045 is a deficient number, since it is larger than the sum of its proper divisors (3304511215).

16522556045 is an equidigital number, since it uses as much as digits as its factorization.

16522556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304511214.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 16522556045 in words is "sixteen billion, five hundred twenty-two million, five hundred fifty-six thousand, forty-five".