2073181266 has 24 divisors (see below), whose sum is σ = 4837423500. Its totient is φ = 637901856.

The previous prime is 2073181259. The next prime is 2073181267. The reversal of 2073181266 is 6621813702.

2073181266 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1538600625 + 534580641 = 39225^2 + 23121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2073181266.

It is not an unprimeable number, because it can be changed into a prime (2073181267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4429641 + ... + 4430108.

Almost surely, 2^2073181266 is an apocalyptic number.

2073181266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2073181266 is an abundant number, since it is smaller than the sum of its proper divisors (2764242234).

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

2073181266 is a wasteful number, since it uses less digits than its factorization.

2073181266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859770 (or 8859767 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2073181266 is about 45532.2003202129. The cubic root of 2073181266 is about 1275.1044417328.

Adding to 2073181266 its reverse (6621813702), we get a palindrome (8694994968).

The spelling of 2073181266 in words is "two billion, seventy-three million, one hundred eighty-one thousand, two hundred sixty-six".