160666216 has 8 divisors (see below), whose sum is σ = 301249170. Its totient is φ = 80333104.

The previous prime is 160666193. The next prime is 160666217. The reversal of 160666216 is 612666061.

It can be written as a sum of positive squares in only one way, i.e., 125216100 + 35450116 = 11190^2 + 5954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (160666217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041631 + ... + 10041646.

Almost surely, 2^160666216 is an apocalyptic number.

It is an amenable number.

160666216 is a deficient number, since it is larger than the sum of its proper divisors (140582954).

160666216 is a wasteful number, since it uses less digits than its factorization.

160666216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083283 (or 20083279 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 160666216 is about 12675.4177840417. The cubic root of 160666216 is about 543.6359751041.

The spelling of 160666216 in words is "one hundred sixty million, six hundred sixty-six thousand, two hundred sixteen".