165204153 has 6 divisors (see below), whose sum is σ = 238628234. Its totient is φ = 110136096.

The previous prime is 165204139. The next prime is 165204161. The reversal of 165204153 is 351402561.

165204153 is a `hidden beast` number, since 1 + 652 + 0 + 4 + 1 + 5 + 3 = 666.

165204153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155451024 + 9753129 = 12468^2 + 3123^2 .

It is not a de Polignac number, because 165204153 - 2⁵ = 165204121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165204103) 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, 9178000 + ... + 9178017.

Almost surely, 2^165204153 is an apocalyptic number.

It is an amenable number.

165204153 is a deficient number, since it is larger than the sum of its proper divisors (73424081).

165204153 is a wasteful number, since it uses less digits than its factorization.

165204153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18356023 (or 18356020 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 165204153 is about 12853.1767668542. The cubic root of 165204153 is about 548.7067720543.

The spelling of 165204153 in words is "one hundred sixty-five million, two hundred four thousand, one hundred fifty-three".