1366520788383 has 16 divisors (see below), whose sum is σ = 2001311911680. Its totient is φ = 825541161984.

The previous prime is 1366520788361. The next prime is 1366520788387. The reversal of 1366520788383 is 3838870256631.

It is not a de Polignac number, because 1366520788383 - 2⁵ = 1366520788351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366520788387) 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, 521173666 + ... + 521176287.

It is an arithmetic number, because the mean of its divisors is an integer number (125081994480).

Almost surely, 2^{1366520788383} is an apocalyptic number.

1366520788383 is a deficient number, since it is larger than the sum of its proper divisors (634791123297).

1366520788383 is a wasteful number, since it uses less digits than its factorization.

1366520788383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042349998.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 1366520788383 in words is "one trillion, three hundred sixty-six billion, five hundred twenty million, seven hundred eighty-eight thousand, three hundred eighty-three".