2646227066 has 12 divisors (see below), whose sum is σ = 4617396378. Its totient is φ = 1134097272.

The previous prime is 2646227039. The next prime is 2646227099. The reversal of 2646227066 is 6607226462.

It can be written as a sum of positive squares in only one way, i.e., 2507105041 + 139122025 = 50071^2 + 11795^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13501061 + ... + 13501256.

Almost surely, 2^2646227066 is an apocalyptic number.

2646227066 is a deficient number, since it is larger than the sum of its proper divisors (1971169312).

2646227066 is a wasteful number, since it uses less digits than its factorization.

2646227066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27002333 (or 27002326 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 2646227066 is about 51441.4916774387. The cubic root of 2646227066 is about 1383.1704508595.

The spelling of 2646227066 in words is "two billion, six hundred forty-six million, two hundred twenty-seven thousand, sixty-six".