2666336344366 has 16 divisors (see below), whose sum is σ = 4095168764544. Its totient is φ = 1301320279224.

The previous prime is 2666336344339. The next prime is 2666336344369. The reversal of 2666336344366 is 6634436336662.

It is a self number, because there is not a number n which added to its sum of digits gives 2666336344366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666336344369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9913936 + ... + 10179331.

It is an arithmetic number, because the mean of its divisors is an integer number (255948047784).

Almost surely, 2^{2666336344366} is an apocalyptic number.

2666336344366 is a deficient number, since it is larger than the sum of its proper divisors (1428832420178).

2666336344366 is a wasteful number, since it uses less digits than its factorization.

2666336344366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20094855.

The product of its digits is 120932352, while the sum is 58.

The spelling of 2666336344366 in words is "two trillion, six hundred sixty-six billion, three hundred thirty-six million, three hundred forty-four thousand, three hundred sixty-six".