165266112 has 112 divisors (see below), whose sum is σ = 505187712. Its totient is φ = 47124480.

The previous prime is 165266111. The next prime is 165266113. The reversal of 165266112 is 211662561.

It is an interprime number because it is at equal distance from previous prime (165266111) and next prime (165266113).

It is a self number, because there is not a number n which added to its sum of digits gives 165266112.

It is not an unprimeable number, because it can be changed into a prime (165266111) 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, 33603 + ... + 38205.

Almost surely, 2^165266112 is an apocalyptic number.

165266112 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 165266112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252593856).

165266112 is an abundant number, since it is smaller than the sum of its proper divisors (339921600).

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

165266112 is a wasteful number, since it uses less digits than its factorization.

165266112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4636 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 165266112 is about 12855.5868010760. The cubic root of 165266112 is about 548.7753600669.

The spelling of 165266112 in words is "one hundred sixty-five million, two hundred sixty-six thousand, one hundred twelve".