165240032 has 12 divisors (see below), whose sum is σ = 325316376. Its totient is φ = 82620000.

The previous prime is 165240029. The next prime is 165240037. The reversal of 165240032 is 230042561.

165240032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165240032² = 54608536350722048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165240037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2581844 + ... + 2581907.

It is an arithmetic number, because the mean of its divisors is an integer number (27109698).

Almost surely, 2^165240032 is an apocalyptic number.

It is an amenable number.

165240032 is a deficient number, since it is larger than the sum of its proper divisors (160076344).

165240032 is an equidigital number, since it uses as much as digits as its factorization.

165240032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163761 (or 5163753 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 165240032 is about 12854.5724160705. The cubic root of 165240032 is about 548.7464918492.

Adding to 165240032 its reverse (230042561), we get a palindrome (395282593).

The spelling of 165240032 in words is "one hundred sixty-five million, two hundred forty thousand, thirty-two".