266166162 has 48 divisors (see below), whose sum is σ = 600661152. Its totient is φ = 88335360.

The previous prime is 266166091. The next prime is 266166163. The reversal of 266166162 is 261661662.

It is a happy number.

266166162 is a `hidden beast` number, since 26 + 6 + 16 + 616 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (266166163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123837 + ... + 125967.

It is an arithmetic number, because the mean of its divisors is an integer number (12513774).

Almost surely, 2^266166162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266166162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300330576).

266166162 is an abundant number, since it is smaller than the sum of its proper divisors (334494990).

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

266166162 is a wasteful number, since it uses less digits than its factorization.

266166162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405 (or 2393 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 266166162 is about 16314.5996579751. The cubic root of 266166162 is about 643.2566442512.

The spelling of 266166162 in words is "two hundred sixty-six million, one hundred sixty-six thousand, one hundred sixty-two".