165222166 has 8 divisors (see below), whose sum is σ = 248394024. Its totient is φ = 82424160.

The previous prime is 165222151. The next prime is 165222199. The reversal of 165222166 is 661222561.

165222166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92355 + ... + 94126.

It is an arithmetic number, because the mean of its divisors is an integer number (31049253).

Almost surely, 2^165222166 is an apocalyptic number.

165222166 is a deficient number, since it is larger than the sum of its proper divisors (83171858).

165222166 is a wasteful number, since it uses less digits than its factorization.

165222166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186926.

The product of its digits is 8640, while the sum is 31.

The square root of 165222166 is about 12853.8774694642. The cubic root of 165222166 is about 548.7267140386.

The spelling of 165222166 in words is "one hundred sixty-five million, two hundred twenty-two thousand, one hundred sixty-six".