165332153 has 4 divisors (see below), whose sum is σ = 188951040. Its totient is φ = 141713268.

The previous prime is 165332107. The next prime is 165332177. The reversal of 165332153 is 351233561.

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: 351233561 = 7 ⋅50176223.

It is a cyclic number.

It is not a de Polignac number, because 165332153 - 2¹⁰ = 165331129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165335153) 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, 11809433 + ... + 11809446.

It is an arithmetic number, because the mean of its divisors is an integer number (47237760).

Almost surely, 2^165332153 is an apocalyptic number.

It is an amenable number.

165332153 is a deficient number, since it is larger than the sum of its proper divisors (23618887).

165332153 is an equidigital number, since it uses as much as digits as its factorization.

165332153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618886.

The product of its digits is 8100, while the sum is 29.

The square root of 165332153 is about 12858.1551165010. The cubic root of 165332153 is about 548.8484479427.

The spelling of 165332153 in words is "one hundred sixty-five million, three hundred thirty-two thousand, one hundred fifty-three".