165495552 has 72 divisors (see below), whose sum is σ = 442853040. Its totient is φ = 54865920.

The previous prime is 165495541. The next prime is 165495553. The reversal of 165495552 is 255594561.

165495552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165495553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 175402 + ... + 176342.

Almost surely, 2^165495552 is an apocalyptic number.

165495552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165495552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221426520).

165495552 is an abundant number, since it is smaller than the sum of its proper divisors (277357488).

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

165495552 is an equidigital number, since it uses as much as digits as its factorization.

165495552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1175 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 165495552 is about 12864.5074526777. The cubic root of 165495552 is about 549.0291987483.

Subtracting 165495552 from its reverse (255594561), we obtain a palindrome (90099009).

The spelling of 165495552 in words is "one hundred sixty-five million, four hundred ninety-five thousand, five hundred fifty-two".