266707994112 has 1920 divisors, whose sum is σ = 1088223206400. Its totient is φ = 63764692992.

The previous prime is 266707994011. The next prime is 266707994117. The reversal of 266707994112 is 211499707662.

It is a super-4 number, since 4×266707994112⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266707994117) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5032226278 + ... + 5032226330.

It is an arithmetic number, because the mean of its divisors is an integer number (566782920).

Almost surely, 2^266707994112 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 266707994112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544111603200).

266707994112 is an abundant number, since it is smaller than the sum of its proper divisors (821515212288).

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

266707994112 is a wasteful number, since it uses less digits than its factorization.

266707994112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 266707994112 in words is "two hundred sixty-six billion, seven hundred seven million, nine hundred ninety-four thousand, one hundred twelve".