165493332 has 36 divisors (see below), whose sum is σ = 424228896. Its totient is φ = 54386640.

The previous prime is 165493313. The next prime is 165493333. The reversal of 165493332 is 233394561.

It is a happy number.

165493332 is a `hidden beast` number, since 165 + 493 + 3 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165493333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29818 + ... + 34929.

It is an arithmetic number, because the mean of its divisors is an integer number (11784136).

Almost surely, 2^165493332 is an apocalyptic number.

165493332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165493332 is an abundant number, since it is smaller than the sum of its proper divisors (258735564).

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

165493332 is a wasteful number, since it uses less digits than its factorization.

165493332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64828 (or 64823 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 165493332 is about 12864.4211684786. The cubic root of 165493332 is about 549.0267437976.

It can be divided in two parts, 16549 and 3332, that added together give a square (19881 = 141²).

The spelling of 165493332 in words is "one hundred sixty-five million, four hundred ninety-three thousand, three hundred thirty-two".