165842153 has 2 divisors, whose sum is σ = 165842154. Its totient is φ = 165842152.

The previous prime is 165842147. The next prime is 165842207. The reversal of 165842153 is 351248561.

165842153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163507369 + 2334784 = 12787^2 + 1528^2 .

It is a cyclic number.

It is not a de Polignac number, because 165842153 - 2¹⁰ = 165841129 is a prime.

It is not a weakly prime, because it can be changed into another prime (165842143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82921076 + 82921077.

It is an arithmetic number, because the mean of its divisors is an integer number (82921077).

Almost surely, 2^165842153 is an apocalyptic number.

It is an amenable number.

165842153 is a deficient number, since it is larger than the sum of its proper divisors (1).

165842153 is an equidigital number, since it uses as much as digits as its factorization.

165842153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 165842153 is about 12877.9716182324. The cubic root of 165842153 is about 549.4122128246.

The spelling of 165842153 in words is "one hundred sixty-five million, eight hundred forty-two thousand, one hundred fifty-three".