165008241 has 6 divisors (see below), whose sum is σ = 238345250. Its totient is φ = 110005488.

The previous prime is 165008237. The next prime is 165008269. The reversal of 165008241 is 142800561.

165008241 is a `hidden beast` number, since 1 + 650 + 0 + 8 + 2 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 154256400 + 10751841 = 12420^2 + 3279^2 .

It is not a de Polignac number, because 165008241 - 2² = 165008237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165008281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9167116 + ... + 9167133.

Almost surely, 2^165008241 is an apocalyptic number.

It is an amenable number.

165008241 is a deficient number, since it is larger than the sum of its proper divisors (73337009).

165008241 is a wasteful number, since it uses less digits than its factorization.

165008241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18334255 (or 18334252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 165008241 is about 12845.5533551498. The cubic root of 165008241 is about 548.4897864631.

The spelling of 165008241 in words is "one hundred sixty-five million, eight thousand, two hundred forty-one".