16216671 has 16 divisors (see below), whose sum is σ = 22861440. Its totient is φ = 10196640.

The previous prime is 16216663. The next prime is 16216703. The reversal of 16216671 is 17661261.

It is not a de Polignac number, because 16216671 - 2³ = 16216663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216631) 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 15 ways as a sum of consecutive naturals, for example, 16216 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (1428840).

Almost surely, 2^16216671 is an apocalyptic number.

16216671 is a deficient number, since it is larger than the sum of its proper divisors (6644769).

16216671 is a wasteful number, since it uses less digits than its factorization.

16216671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its digits is 3024, while the sum is 30.

The square root of 16216671 is about 4026.9927986029. The cubic root of 16216671 is about 253.1165653035.

The spelling of 16216671 in words is "sixteen million, two hundred sixteen thousand, six hundred seventy-one".