196650218 has 16 divisors (see below), whose sum is σ = 305613000. Its totient is φ = 94789632.

The previous prime is 196650199. The next prime is 196650241. The reversal of 196650218 is 812056691.

It can be written as a sum of positive squares in 4 ways, for example, as 117137329 + 79512889 = 10823^2 + 8917^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42398 + ... + 46806.

Almost surely, 2^196650218 is an apocalyptic number.

196650218 is a deficient number, since it is larger than the sum of its proper divisors (108962782).

196650218 is a wasteful number, since it uses less digits than its factorization.

196650218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 196650218 is about 14023.2028438585. The cubic root of 196650218 is about 581.5202073857.

The spelling of 196650218 in words is "one hundred ninety-six million, six hundred fifty thousand, two hundred eighteen".