16172085 has 16 divisors (see below), whose sum is σ = 26478144. Its totient is φ = 8424192.

The previous prime is 16172069. The next prime is 16172119. The reversal of 16172085 is 58027161.

It is not a de Polignac number, because 16172085 - 2⁴ = 16172069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11892 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (1654884).

Almost surely, 2^16172085 is an apocalyptic number.

16172085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16172085 is a deficient number, since it is larger than the sum of its proper divisors (10306059).

16172085 is a wasteful number, since it uses less digits than its factorization.

16172085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25124.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 16172085 is about 4021.4530955862. The cubic root of 16172085 is about 252.8843800885.

The spelling of 16172085 in words is "sixteen million, one hundred seventy-two thousand, eighty-five".