16698196 has 6 divisors (see below), whose sum is σ = 29221850. Its totient is φ = 8349096.

The previous prime is 16698191. The next prime is 16698197. The reversal of 16698196 is 69189661.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 810000 = 3986^2 + 900^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16698191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2087271 + ... + 2087278.

Almost surely, 2^16698196 is an apocalyptic number.

It is an amenable number.

16698196 is a deficient number, since it is larger than the sum of its proper divisors (12523654).

16698196 is a wasteful number, since it uses less digits than its factorization.

16698196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174553 (or 4174551 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 16698196 is about 4086.3426190176. The cubic root of 16698196 is about 255.5974508364.

The spelling of 16698196 in words is "sixteen million, six hundred ninety-eight thousand, one hundred ninety-six".