165471232 has 44 divisors (see below), whose sum is σ = 332531056. Its totient is φ = 82298880.

The previous prime is 165471227. The next prime is 165471253. The reversal of 165471232 is 232174561.

It is a junction number, because it is equal to n+sod(n) for n = 165471194 and 165471203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289507 + ... + 290077.

It is an arithmetic number, because the mean of its divisors is an integer number (7557524).

Almost surely, 2^165471232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165471232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166265528).

165471232 is an abundant number, since it is smaller than the sum of its proper divisors (167059824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165471232 is an equidigital number, since it uses as much as digits as its factorization.

165471232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 856 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 165471232 is about 12863.5621816043. The cubic root of 165471232 is about 549.0023036766.

The spelling of 165471232 in words is "one hundred sixty-five million, four hundred seventy-one thousand, two hundred thirty-two".