2661766226 has 8 divisors (see below), whose sum is σ = 4563027840. Its totient is φ = 1140756948.

The previous prime is 2661766187. The next prime is 2661766231. The reversal of 2661766226 is 6226671662.

2661766226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95063066 + ... + 95063093.

It is an arithmetic number, because the mean of its divisors is an integer number (570378480).

Almost surely, 2^2661766226 is an apocalyptic number.

2661766226 is a deficient number, since it is larger than the sum of its proper divisors (1901261614).

2661766226 is a wasteful number, since it uses less digits than its factorization.

2661766226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190126168.

The product of its digits is 435456, while the sum is 44.

The square root of 2661766226 is about 51592.3078181234. The cubic root of 2661766226 is about 1385.8725838918.

The spelling of 2661766226 in words is "two billion, six hundred sixty-one million, seven hundred sixty-six thousand, two hundred twenty-six".