166082216 has 16 divisors (see below), whose sum is σ = 312972000. Its totient is φ = 82623024.

The previous prime is 166082207. The next prime is 166082219. The reversal of 166082216 is 612280661.

166082216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166082219) 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, 50570 + ... + 53753.

It is an arithmetic number, because the mean of its divisors is an integer number (19560750).

Almost surely, 2^166082216 is an apocalyptic number.

It is an amenable number.

166082216 is a deficient number, since it is larger than the sum of its proper divisors (146889784).

166082216 is a wasteful number, since it uses less digits than its factorization.

166082216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104528 (or 104524 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 166082216 is about 12887.2889313463. The cubic root of 166082216 is about 549.6771835663.

The spelling of 166082216 in words is "one hundred sixty-six million, eighty-two thousand, two hundred sixteen".