266116022000 has 40 divisors (see below), whose sum is σ = 643468546032. Its totient is φ = 106446408000.

The previous prime is 266116021949. The next prime is 266116022059. The reversal of 266116022000 is 220611662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66527006 + ... + 66531005.

Almost surely, 2^266116022000 is an apocalyptic number.

266116022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266116022000 is an abundant number, since it is smaller than the sum of its proper divisors (377352524032).

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

266116022000 is a wasteful number, since it uses less digits than its factorization.

266116022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133058034 (or 133058018 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 266116022000 its reverse (220611662), we get a palindrome (266336633662).

The spelling of 266116022000 in words is "two hundred sixty-six billion, one hundred sixteen million, twenty-two thousand".