165262212 has 18 divisors (see below), whose sum is σ = 417746238. Its totient is φ = 55087392.

The previous prime is 165262211. The next prime is 165262217. The reversal of 165262212 is 212262561.

165262212 is a `hidden beast` number, since 1 + 652 + 6 + 2 + 2 + 1 + 2 = 666.

165262212 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 122412096 + 42850116 = 11064^2 + 6546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

165262212 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (165262211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2295273 + ... + 2295344.

Almost surely, 2^165262212 is an apocalyptic number.

165262212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165262212 is an abundant number, since it is smaller than the sum of its proper divisors (252484026).

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

165262212 is a wasteful number, since it uses less digits than its factorization.

165262212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590627 (or 4590622 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 165262212 is about 12855.4351151565. The cubic root of 165262212 is about 548.7710433103.

The spelling of 165262212 in words is "one hundred sixty-five million, two hundred sixty-two thousand, two hundred twelve".