266112000000 has 1568 divisors, whose sum is σ = 1228709272320. Its totient is φ = 55296000000.

The previous prime is 266111999899. The next prime is 266112000001. The reversal of 266112000000 is 211662.

It is a happy number.

266112000000 is a `hidden beast` number, since 2 + 661 + 1 + 2 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266112000001) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 24191999995 + ... + 24192000005.

Almost surely, 2^266112000000 is an apocalyptic number.

266112000000 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 266112000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614354636160).

266112000000 is an abundant number, since it is smaller than the sum of its proper divisors (962597272320).

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

266112000000 is an frugal number, since it uses more digits than its factorization.

266112000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 266112000000 its reverse (211662), we get a palindrome (266112211662).

The spelling of 266112000000 in words is "two hundred sixty-six billion, one hundred twelve million", and thus it is an aban number.