13758645766 has 16 divisors (see below), whose sum is σ = 21198985920. Its totient is φ = 6693232320.

The previous prime is 13758645743. The next prime is 13758645779. The reversal of 13758645766 is 66754685731.

It is a self number, because there is not a number n which added to its sum of digits gives 13758645766.

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, 198501 + ... + 258688.

It is an arithmetic number, because the mean of its divisors is an integer number (1324936620).

Almost surely, 2^13758645766 is an apocalyptic number.

13758645766 is a deficient number, since it is larger than the sum of its proper divisors (7440340154).

13758645766 is a wasteful number, since it uses less digits than its factorization.

13758645766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457599.

The product of its digits is 25401600, while the sum is 58.

The spelling of 13758645766 in words is "thirteen billion, seven hundred fifty-eight million, six hundred forty-five thousand, seven hundred sixty-six".