165206132 has 48 divisors (see below), whose sum is σ = 359573760. Its totient is φ = 64668672.

The previous prime is 165206131. The next prime is 165206183. The reversal of 165206132 is 231602561.

165206132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165206131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32969 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (7491120).

Almost surely, 2^165206132 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 165206132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179786880).

165206132 is an abundant number, since it is smaller than the sum of its proper divisors (194367628).

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

165206132 is a wasteful number, since it uses less digits than its factorization.

165206132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 165206132 is about 12853.2537514825. The cubic root of 165206132 is about 548.7089630532.

Adding to 165206132 its reverse (231602561), we get a palindrome (396808693).

The spelling of 165206132 in words is "one hundred sixty-five million, two hundred six thousand, one hundred thirty-two".