180216396182196 has 36 divisors (see below), whose sum is σ = 496960365230784. Its totient is φ = 54611029146000.

The previous prime is 180216396182161. The next prime is 180216396182197. The reversal of 180216396182196 is 691281693612081.

180216396182196 is a `hidden beast` number, since 1 + 8 + 0 + 2 + 1 + 6 + 3 + 9 + 618 + 2 + 1 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180216396182197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227545954380 + ... + 227545955171.

It is an arithmetic number, because the mean of its divisors is an integer number (13804454589744).

Almost surely, 2^{180216396182196} is an apocalyptic number.

It is an amenable number.

180216396182196 is an abundant number, since it is smaller than the sum of its proper divisors (316743969048588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180216396182196 is a wasteful number, since it uses less digits than its factorization.

180216396182196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455091909572 (or 455091909567 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 180216396182196 in words is "one hundred eighty trillion, two hundred sixteen billion, three hundred ninety-six million, one hundred eighty-two thousand, one hundred ninety-six".