2246747666 has 8 divisors (see below), whose sum is σ = 3394721340. Its totient is φ = 1115173888.

The previous prime is 2246747651. The next prime is 2246747683. The reversal of 2246747666 is 6667476422.

It can be written as a sum of positive squares in 2 ways, for example, as 2240602225 + 6145441 = 47335^2 + 2479^2 .

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, 4099631 + ... + 4100178.

Almost surely, 2^2246747666 is an apocalyptic number.

2246747666 is a deficient number, since it is larger than the sum of its proper divisors (1147973674).

2246747666 is a wasteful number, since it uses less digits than its factorization.

2246747666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199948.

The product of its digits is 4064256, while the sum is 50.

The square root of 2246747666 is about 47399.8698943362. The cubic root of 2246747666 is about 1309.7390203259.

The spelling of 2246747666 in words is "two billion, two hundred forty-six million, seven hundred forty-seven thousand, six hundred sixty-six".