266744411670 has 96 divisors (see below), whose sum is σ = 705597064704. Its totient is φ = 64488790080.

The previous prime is 266744411641. The next prime is 266744411711. The reversal of 266744411670 is 76114447662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232097 + ... + 1432323.

It is an arithmetic number, because the mean of its divisors is an integer number (7349969424).

Almost surely, 2^266744411670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266744411670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352798532352).

266744411670 is an abundant number, since it is smaller than the sum of its proper divisors (438852653034).

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

266744411670 is a wasteful number, since it uses less digits than its factorization.

266744411670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200626 (or 200615 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

It can be divided in two parts, 26674 and 4411670, that added together give a palindrome (4438344).

The spelling of 266744411670 in words is "two hundred sixty-six billion, seven hundred forty-four million, four hundred eleven thousand, six hundred seventy".