165055166 has 16 divisors (see below), whose sum is σ = 261642960. Its totient is φ = 77875200.

The previous prime is 165055151. The next prime is 165055183. The reversal of 165055166 is 661550561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316 + ... + 18216.

It is an arithmetic number, because the mean of its divisors is an integer number (16352685).

Almost surely, 2^165055166 is an apocalyptic number.

165055166 is a deficient number, since it is larger than the sum of its proper divisors (96587794).

165055166 is a wasteful number, since it uses less digits than its factorization.

165055166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 165055166 is about 12847.3797328483. The cubic root of 165055166 is about 548.5417746622.

The spelling of 165055166 in words is "one hundred sixty-five million, fifty-five thousand, one hundred sixty-six".