16216197 has 8 divisors (see below), whose sum is σ = 22149120. Its totient is φ = 10547040.

The previous prime is 16216163. The next prime is 16216223. The reversal of 16216197 is 79161261.

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

It is not a de Polignac number, because 16216197 - 2¹⁶ = 16150661 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216297) 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, 65797 + ... + 66042.

It is an arithmetic number, because the mean of its divisors is an integer number (2768640).

Almost surely, 2^16216197 is an apocalyptic number.

It is an amenable number.

16216197 is a deficient number, since it is larger than the sum of its proper divisors (5932923).

16216197 is a wasteful number, since it uses less digits than its factorization.

16216197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131883.

The product of its digits is 4536, while the sum is 33.

The square root of 16216197 is about 4026.9339453237. The cubic root of 16216197 is about 253.1140991495.

The spelling of 16216197 in words is "sixteen million, two hundred sixteen thousand, one hundred ninety-seven".