165150055 has 16 divisors (see below), whose sum is σ = 232614720. Its totient is φ = 110184192.

The previous prime is 165150043. The next prime is 165150079. The reversal of 165150055 is 550051561.

It is a cyclic number.

It is not a de Polignac number, because 165150055 - 2¹¹ = 165148007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62470 + ... + 65059.

It is an arithmetic number, because the mean of its divisors is an integer number (14538420).

Almost surely, 2^165150055 is an apocalyptic number.

165150055 is a deficient number, since it is larger than the sum of its proper divisors (67464665).

165150055 is a wasteful number, since it uses less digits than its factorization.

165150055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127578.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 165150055 is about 12851.0721342618. The cubic root of 165150055 is about 548.6468720677.

The spelling of 165150055 in words is "one hundred sixty-five million, one hundred fifty thousand, fifty-five".