266905160 has 64 divisors (see below), whose sum is σ = 634651200. Its totient is φ = 100742400.

The previous prime is 266905157. The next prime is 266905169. The reversal of 266905160 is 61509662.

It is a happy number.

266905160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 266905160.

It is not an unprimeable number, because it can be changed into a prime (266905169) 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, 251030 + ... + 252090.

It is an arithmetic number, because the mean of its divisors is an integer number (9916425).

Almost surely, 2^266905160 is an apocalyptic number.

266905160 is a gapful number since it is divisible by the number (20) 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 266905160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317325600).

266905160 is an abundant number, since it is smaller than the sum of its proper divisors (367746040).

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

266905160 is a wasteful number, since it uses less digits than its factorization.

266905160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1418 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 266905160 is about 16337.2323237444. The cubic root of 266905160 is about 643.8514182125.

The spelling of 266905160 in words is "two hundred sixty-six million, nine hundred five thousand, one hundred sixty".