266644222606 has 16 divisors (see below), whose sum is σ = 401600098224. Its totient is φ = 132777723904.

The previous prime is 266644222561. The next prime is 266644222697. The reversal of 266644222606 is 606222446662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770956 + ... + 2865568.

It is an arithmetic number, because the mean of its divisors is an integer number (25100006139).

Almost surely, 2^266644222606 is an apocalyptic number.

266644222606 is a deficient number, since it is larger than the sum of its proper divisors (134955875618).

266644222606 is a wasteful number, since it uses less digits than its factorization.

266644222606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100355.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 266644222606 in words is "two hundred sixty-six billion, six hundred forty-four million, two hundred twenty-two thousand, six hundred six".