196166812 has 6 divisors (see below), whose sum is σ = 343291928. Its totient is φ = 98083404.

The previous prime is 196166809. The next prime is 196166813. The reversal of 196166812 is 218661691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196166813) 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 as a sum of consecutive naturals, namely, 24520848 + ... + 24520855.

Almost surely, 2^196166812 is an apocalyptic number.

It is an amenable number.

196166812 is a deficient number, since it is larger than the sum of its proper divisors (147125116).

196166812 is a wasteful number, since it uses less digits than its factorization.

196166812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49041707 (or 49041705 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 196166812 is about 14005.9563043728. The cubic root of 196166812 is about 581.0433183229.

The spelling of 196166812 in words is "one hundred ninety-six million, one hundred sixty-six thousand, eight hundred twelve".