196662166 has 16 divisors (see below), whose sum is σ = 305596800. Its totient is φ = 94806208.

The previous prime is 196662161. The next prime is 196662173. The reversal of 196662166 is 661266691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196662161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48090 + ... + 52018.

It is an arithmetic number, because the mean of its divisors is an integer number (19099800).

Almost surely, 2^196662166 is an apocalyptic number.

196662166 is a deficient number, since it is larger than the sum of its proper divisors (108934634).

196662166 is a wasteful number, since it uses less digits than its factorization.

196662166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4823.

The product of its digits is 139968, while the sum is 43.

The square root of 196662166 is about 14023.6288456305. The cubic root of 196662166 is about 581.5319844093.

The spelling of 196662166 in words is "one hundred ninety-six million, six hundred sixty-two thousand, one hundred sixty-six".