16850172 has 12 divisors (see below), whose sum is σ = 39317096. Its totient is φ = 5616720.

The previous prime is 16850167. The next prime is 16850173. The reversal of 16850172 is 27105861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16850173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702079 + ... + 702102.

Almost surely, 2^16850172 is an apocalyptic number.

16850172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16850172 is an abundant number, since it is smaller than the sum of its proper divisors (22466924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16850172 is a wasteful number, since it uses less digits than its factorization.

16850172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404188 (or 1404186 counting only the distinct ones).

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

The square root of 16850172 is about 4104.8961009994. The cubic root of 16850172 is about 256.3705368277.

The spelling of 16850172 in words is "sixteen million, eight hundred fifty thousand, one hundred seventy-two".