165266316 has 144 divisors (see below), whose sum is σ = 471744000. Its totient is φ = 48508416.

The previous prime is 165266279. The next prime is 165266317. The reversal of 165266316 is 613662561.

165266316 is a `hidden beast` number, since 16 + 5 + 2 + 6 + 631 + 6 = 666.

165266316 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 (36).

It is not an unprimeable number, because it can be changed into a prime (165266317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 830385 + ... + 830583.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^165266316 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 165266316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

165266316 is an abundant number, since it is smaller than the sum of its proper divisors (306477684).

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

165266316 is a wasteful number, since it uses less digits than its factorization.

165266316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 303 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 165266316 is about 12855.5947353672. The cubic root of 165266316 is about 548.7755858647.

The spelling of 165266316 in words is "one hundred sixty-five million, two hundred sixty-six thousand, three hundred sixteen".