165114666 has 64 divisors (see below), whose sum is σ = 380712960. Its totient is φ = 53008560.

The previous prime is 165114647. The next prime is 165114671. The reversal of 165114666 is 666411561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 165114666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169561 + ... + 170531.

It is an arithmetic number, because the mean of its divisors is an integer number (5948640).

Almost surely, 2^165114666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165114666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190356480).

165114666 is an abundant number, since it is smaller than the sum of its proper divisors (215598294).

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

165114666 is a wasteful number, since it uses less digits than its factorization.

165114666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 165114666 is about 12849.6951714817. The cubic root of 165114666 is about 548.6076805353.

The spelling of 165114666 in words is "one hundred sixty-five million, one hundred fourteen thousand, six hundred sixty-six".