165074201 has 4 divisors (see below), whose sum is σ = 165262032. Its totient is φ = 164886372.

The previous prime is 165074179. The next prime is 165074227. The reversal of 165074201 is 102470561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102470561 = 7933 ⋅12917.

It is a cyclic number.

It is not a de Polignac number, because 165074201 - 2⁶ = 165074137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165070201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92591 + ... + 94356.

It is an arithmetic number, because the mean of its divisors is an integer number (41315508).

Almost surely, 2^165074201 is an apocalyptic number.

It is an amenable number.

165074201 is a deficient number, since it is larger than the sum of its proper divisors (187831).

165074201 is an equidigital number, since it uses as much as digits as its factorization.

165074201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187830.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 165074201 is about 12848.1205240300. The cubic root of 165074201 is about 548.5628607260.

The spelling of 165074201 in words is "one hundred sixty-five million, seventy-four thousand, two hundred one".