220166168 has 8 divisors (see below), whose sum is σ = 412811580. Its totient is φ = 110083080.

The previous prime is 220166147. The next prime is 220166171. The reversal of 220166168 is 861661022.

220166168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13760378 + ... + 13760393.

Almost surely, 2^220166168 is an apocalyptic number.

It is an amenable number.

220166168 is a deficient number, since it is larger than the sum of its proper divisors (192645412).

220166168 is a wasteful number, since it uses less digits than its factorization.

220166168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27520777 (or 27520773 counting only the distinct ones).

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

The square root of 220166168 is about 14837.9974390077. The cubic root of 220166168 is about 603.8330240307.

The spelling of 220166168 in words is "two hundred twenty million, one hundred sixty-six thousand, one hundred sixty-eight".