165150212 has 24 divisors (see below), whose sum is σ = 303803136. Its totient is φ = 78402368.

The previous prime is 165150197. The next prime is 165150217. The reversal of 165150212 is 212051561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (165150217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6053 + ... + 19155.

It is an arithmetic number, because the mean of its divisors is an integer number (12658464).

Almost surely, 2^165150212 is an apocalyptic number.

It is an amenable number.

165150212 is a deficient number, since it is larger than the sum of its proper divisors (138652924).

165150212 is a wasteful number, since it uses less digits than its factorization.

165150212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267 (or 13265 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 165150212 is about 12851.0782427001. The cubic root of 165150212 is about 548.6470459248.

The spelling of 165150212 in words is "one hundred sixty-five million, one hundred fifty thousand, two hundred twelve".