16537628873 has 4 divisors (see below), whose sum is σ = 16544647620. Its totient is φ = 16530610128.

The previous prime is 16537628867. The next prime is 16537628881. The reversal of 16537628873 is 37882673561.

16537628873 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, and also an emirpimes, since its reverse is a distinct semiprime: 37882673561 = 12289 ⋅3082649.

It can be written as a sum of positive squares in 2 ways, for example, as 4410553744 + 12127075129 = 66412^2 + 110123^2 .

It is a cyclic number.

It is not a de Polignac number, because 16537628873 - 2⁴ = 16537628857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16537628813) 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, 3505838 + ... + 3510551.

It is an arithmetic number, because the mean of its divisors is an integer number (4136161905).

Almost surely, 2^16537628873 is an apocalyptic number.

It is an amenable number.

16537628873 is a deficient number, since it is larger than the sum of its proper divisors (7018747).

16537628873 is an equidigital number, since it uses as much as digits as its factorization.

16537628873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018746.

The product of its digits is 10160640, while the sum is 56.

The spelling of 16537628873 in words is "sixteen billion, five hundred thirty-seven million, six hundred twenty-eight thousand, eight hundred seventy-three".