16485173 has 4 divisors (see below), whose sum is σ = 16796268. Its totient is φ = 16174080.

The previous prime is 16485163. The next prime is 16485193. The reversal of 16485173 is 37158461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37158461 = 4253 ⋅8737.

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 7711729 = 2962^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 16485173 - 2¹⁴ = 16468789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16485113) 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, 155468 + ... + 155573.

It is an arithmetic number, because the mean of its divisors is an integer number (4199067).

Almost surely, 2^16485173 is an apocalyptic number.

It is an amenable number.

16485173 is a deficient number, since it is larger than the sum of its proper divisors (311095).

16485173 is an equidigital number, since it uses as much as digits as its factorization.

16485173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311094.

The product of its digits is 20160, while the sum is 35.

The square root of 16485173 is about 4060.1937145905. The cubic root of 16485173 is about 254.5058892702.

The spelling of 16485173 in words is "sixteen million, four hundred eighty-five thousand, one hundred seventy-three".