165262201 has 16 divisors (see below), whose sum is σ = 183050560. Its totient is φ = 148236480.

The previous prime is 165262189. The next prime is 165262211. The reversal of 165262201 is 102262561.

It is not a de Polignac number, because 165262201 - 2⁷ = 165262073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165262211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127366 + ... + 128656.

It is an arithmetic number, because the mean of its divisors is an integer number (11440660).

Almost surely, 2^165262201 is an apocalyptic number.

It is an amenable number.

165262201 is a deficient number, since it is larger than the sum of its proper divisors (17788359).

165262201 is a wasteful number, since it uses less digits than its factorization.

165262201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 165262201 is about 12855.4346873219. The cubic root of 165262201 is about 548.7710311348.

The spelling of 165262201 in words is "one hundred sixty-five million, two hundred sixty-two thousand, two hundred one".