16173428633 has 8 divisors (see below), whose sum is σ = 16335247752. Its totient is φ = 16012354176.

The previous prime is 16173428603. The next prime is 16173428647. The reversal of 16173428633 is 33682437161.

16173428633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 379977049 + 15793451584 = 19493^2 + 125672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16173428633 - 2⁸ = 16173428377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16173428603) 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 7 ways as a sum of consecutive naturals, for example, 142460 + ... + 229437.

It is an arithmetic number, because the mean of its divisors is an integer number (2041905969).

Almost surely, 2^16173428633 is an apocalyptic number.

It is an amenable number.

16173428633 is a deficient number, since it is larger than the sum of its proper divisors (161819119).

16173428633 is a wasteful number, since it uses less digits than its factorization.

16173428633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372331.

The product of its digits is 435456, while the sum is 44.

The spelling of 16173428633 in words is "sixteen billion, one hundred seventy-three million, four hundred twenty-eight thousand, six hundred thirty-three".