16325173 has 8 divisors (see below), whose sum is σ = 16947000. Its totient is φ = 15707328.

The previous prime is 16325171. The next prime is 16325207. The reversal of 16325173 is 37152361.

It can be written as a sum of positive squares in 4 ways, for example, as 5049009 + 11276164 = 2247^2 + 3358^2 .

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

It is not a de Polignac number, because 16325173 - 2¹ = 16325171 is a prime.

It is a super-2 number, since 2×16325173² = 533022546959858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16325171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9315 + ... + 10927.

It is an arithmetic number, because the mean of its divisors is an integer number (2118375).

Almost surely, 2^16325173 is an apocalyptic number.

It is an amenable number.

16325173 is a deficient number, since it is larger than the sum of its proper divisors (621827).

16325173 is a wasteful number, since it uses less digits than its factorization.

16325173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its digits is 3780, while the sum is 28.

The square root of 16325173 is about 4040.4421787720. The cubic root of 16325173 is about 253.6798257747.

The spelling of 16325173 in words is "sixteen million, three hundred twenty-five thousand, one hundred seventy-three".