180066196 has 12 divisors (see below), whose sum is σ = 315251860. Its totient is φ = 89994240.

The previous prime is 180066169. The next prime is 180066199. The reversal of 180066196 is 691660081.

It can be written as a sum of positive squares in 2 ways, for example, as 93315600 + 86750596 = 9660^2 + 9314^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180066199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386 + ... + 19126.

Almost surely, 2^180066196 is an apocalyptic number.

It is an amenable number.

180066196 is a deficient number, since it is larger than the sum of its proper divisors (135185664).

180066196 is a wasteful number, since it uses less digits than its factorization.

180066196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434 (or 19432 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 180066196 is about 13418.8746174931. The cubic root of 180066196 is about 564.6908230912.

The spelling of 180066196 in words is "one hundred eighty million, sixty-six thousand, one hundred ninety-six".