2266686660 has 96 divisors (see below), whose sum is σ = 7259777280. Its totient is φ = 517644288.

The previous prime is 2266686647. The next prime is 2266686671. The reversal of 2266686660 is 666866622.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791952 + ... + 794808.

It is an arithmetic number, because the mean of its divisors is an integer number (75622680).

Almost surely, 2^2266686660 is an apocalyptic number.

2266686660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266686660 is an abundant number, since it is smaller than the sum of its proper divisors (4993090620).

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

2266686660 is a wasteful number, since it uses less digits than its factorization.

2266686660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4763 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 2266686660 is about 47609.7328284879. The cubic root of 2266686660 is about 1313.6020863992.

It can be divided in two parts, 2 and 266686660, that added together give a palindrome (266686662).

The spelling of 2266686660 in words is "two billion, two hundred sixty-six million, six hundred eighty-six thousand, six hundred sixty".