1366809458179 has 16 divisors (see below), whose sum is σ = 1531498369536. Its totient is φ = 1208865362400.

The previous prime is 1366809458149. The next prime is 1366809458207. The reversal of 1366809458179 is 9718549086631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1366809458179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366809458149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4688374 + ... + 4971364.

It is an arithmetic number, because the mean of its divisors is an integer number (95718648096).

Almost surely, 2^{1366809458179} is an apocalyptic number.

1366809458179 is a deficient number, since it is larger than the sum of its proper divisors (164688911357).

1366809458179 is a wasteful number, since it uses less digits than its factorization.

1366809458179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294906.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 1366809458179 in words is "one trillion, three hundred sixty-six billion, eight hundred nine million, four hundred fifty-eight thousand, one hundred seventy-nine".