165484201 has 2 divisors, whose sum is σ = 165484202. Its totient is φ = 165484200.

The previous prime is 165484181. The next prime is 165484213. The reversal of 165484201 is 102484561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150700176 + 14784025 = 12276^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 165484201 - 2¹⁷ = 165353129 is a prime.

It is not a weakly prime, because it can be changed into another prime (165484261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82742100 + 82742101.

It is an arithmetic number, because the mean of its divisors is an integer number (82742101).

Almost surely, 2^165484201 is an apocalyptic number.

It is an amenable number.

165484201 is a deficient number, since it is larger than the sum of its proper divisors (1).

165484201 is an equidigital number, since it uses as much as digits as its factorization.

165484201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 165484201 is about 12864.0662700407. The cubic root of 165484201 is about 549.0166461996.

The spelling of 165484201 in words is "one hundred sixty-five million, four hundred eighty-four thousand, two hundred one".