16284345073 has 4 divisors (see below), whose sum is σ = 16314446068. Its totient is φ = 16254244080.

The previous prime is 16284345071. The next prime is 16284345079. The reversal of 16284345073 is 37054348261.

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 9019680784 + 7264664289 = 94972^2 + 85233^2 .

It is a cyclic number.

It is not a de Polignac number, because 16284345073 - 2¹ = 16284345071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16284345071) 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, 15049686 + ... + 15050767.

It is an arithmetic number, because the mean of its divisors is an integer number (4078611517).

Almost surely, 2^16284345073 is an apocalyptic number.

It is an amenable number.

16284345073 is a deficient number, since it is larger than the sum of its proper divisors (30100995).

16284345073 is an equidigital number, since it uses as much as digits as its factorization.

16284345073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30100994.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 16284345073 in words is "sixteen billion, two hundred eighty-four million, three hundred forty-five thousand, seventy-three".