1344633620666 has 16 divisors (see below), whose sum is σ = 2379443827200. Its totient is φ = 557682146640.

The previous prime is 1344633620663. The next prime is 1344633620683. The reversal of 1344633620666 is 6660263364431.

It is not an unprimeable number, because it can be changed into a prime (1344633620663) 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, 1549116641 + ... + 1549117508.

It is an arithmetic number, because the mean of its divisors is an integer number (148715239200).

Almost surely, 2^{1344633620666} is an apocalyptic number.

1344633620666 is a deficient number, since it is larger than the sum of its proper divisors (1034810206534).

1344633620666 is a wasteful number, since it uses less digits than its factorization.

1344633620666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098234189.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 1344633620666 in words is "one trillion, three hundred forty-four billion, six hundred thirty-three million, six hundred twenty thousand, six hundred sixty-six".