165352212 has 96 divisors (see below), whose sum is σ = 458998400. Its totient is φ = 51321600.

The previous prime is 165352177. The next prime is 165352219. The reversal of 165352212 is 212253561.

It is a happy number.

165352212 is a `hidden beast` number, since 1 + 653 + 5 + 2 + 2 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165352219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124512 + ... + 125832.

Almost surely, 2^165352212 is an apocalyptic number.

165352212 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 165352212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229499200).

165352212 is an abundant number, since it is smaller than the sum of its proper divisors (293646188).

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

165352212 is a wasteful number, since it uses less digits than its factorization.

165352212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1406 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 165352212 is about 12858.9351036546. The cubic root of 165352212 is about 548.8706434758.

The spelling of 165352212 in words is "one hundred sixty-five million, three hundred fifty-two thousand, two hundred twelve".