266050173320 has 64 divisors (see below), whose sum is σ = 625892400000. Its totient is φ = 101588940288.

The previous prime is 266050173313. The next prime is 266050173329. The reversal of 266050173320 is 23371050662.

It is not an unprimeable number, because it can be changed into a prime (266050173329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169316 + ... + 748844.

It is an arithmetic number, because the mean of its divisors is an integer number (9779568750).

Almost surely, 2^266050173320 is an apocalyptic number.

266050173320 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 266050173320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312946200000).

266050173320 is an abundant number, since it is smaller than the sum of its proper divisors (359842226680).

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

266050173320 is a wasteful number, since it uses less digits than its factorization.

266050173320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580062 (or 580058 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 266050173320 in words is "two hundred sixty-six billion, fifty million, one hundred seventy-three thousand, three hundred twenty".