12344511666783 has 16 divisors (see below), whose sum is σ = 17329253127680. Its totient is φ = 7794903461184.

The previous prime is 12344511666779. The next prime is 12344511666791. The reversal of 12344511666783 is 38766611544321.

It is not a de Polignac number, because 12344511666783 - 2² = 12344511666779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344511666733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22366966 + ... + 22912227.

It is an arithmetic number, because the mean of its divisors is an integer number (1083078320480).

Almost surely, 2^{12344511666783} is an apocalyptic number.

12344511666783 is a deficient number, since it is larger than the sum of its proper divisors (4984741460897).

12344511666783 is a wasteful number, since it uses less digits than its factorization.

12344511666783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45283998.

The product of its digits is 17418240, while the sum is 57.

The spelling of 12344511666783 in words is "twelve trillion, three hundred forty-four billion, five hundred eleven million, six hundred sixty-six thousand, seven hundred eighty-three".