16244000161 has 4 divisors (see below), whose sum is σ = 16247934612. Its totient is φ = 16240065712.

The previous prime is 16244000159. The next prime is 16244000189. The reversal of 16244000161 is 16100044261.

16244000161 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 11351837025 + 4892163136 = 106545^2 + 69944^2 .

It is a cyclic number.

It is not a de Polignac number, because 16244000161 - 2¹ = 16244000159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16244000141) by changing a digit.

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, 1961026 + ... + 1969291.

It is an arithmetic number, because the mean of its divisors is an integer number (4061983653).

Almost surely, 2^16244000161 is an apocalyptic number.

It is an amenable number.

16244000161 is a deficient number, since it is larger than the sum of its proper divisors (3934451).

16244000161 is an equidigital number, since it uses as much as digits as its factorization.

16244000161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934450.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 16244000161 in words is "sixteen billion, two hundred forty-four million, one hundred sixty-one", and thus it is an aban number.