266846606712 has 448 divisors, whose sum is σ = 933649344000. Its totient is φ = 69732617472.

The previous prime is 266846606701. The next prime is 266846606753. The reversal of 266846606712 is 217606648662.

266846606712 is a `hidden beast` number, since 26 + 6 + 8 + 4 + 6 + 606 + 7 + 1 + 2 = 666.

It is a super-2 number, since 2×266846606712² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 22488093 + ... + 22499955.

Almost surely, 2^266846606712 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 266846606712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466824672000).

266846606712 is an abundant number, since it is smaller than the sum of its proper divisors (666802737288).

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

266846606712 is a wasteful number, since it uses less digits than its factorization.

266846606712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942 (or 11923 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 266846606712 in words is "two hundred sixty-six billion, eight hundred forty-six million, six hundred six thousand, seven hundred twelve".