266120316 has 120 divisors (see below), whose sum is σ = 867436416. Its totient is φ = 69115680.

The previous prime is 266120303. The next prime is 266120321. The reversal of 266120316 is 613021662.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 266120316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19615 + ... + 30281.

Almost surely, 2^266120316 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 266120316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433718208).

266120316 is an abundant number, since it is smaller than the sum of its proper divisors (601316100).

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

266120316 is a wasteful number, since it uses less digits than its factorization.

266120316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 266120316 is about 16313.1945369385. The cubic root of 266120316 is about 643.2197093816.

Adding to 266120316 its reverse (613021662), we get a palindrome (879141978).

The spelling of 266120316 in words is "two hundred sixty-six million, one hundred twenty thousand, three hundred sixteen".