13366456659 has 6 divisors (see below), whose sum is σ = 19307104076. Its totient is φ = 8910971100.

The previous prime is 13366456637. The next prime is 13366456673. The reversal of 13366456659 is 95665466331.

It is a happy number.

13366456659 is a `hidden beast` number, since 13 + 3 + 6 + 64 + 566 + 5 + 9 = 666.

It is not a de Polignac number, because 13366456659 - 2⁷ = 13366456531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13365456659) 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 5 ways as a sum of consecutive naturals, for example, 742580917 + ... + 742580934.

Almost surely, 2^13366456659 is an apocalyptic number.

13366456659 is a deficient number, since it is larger than the sum of its proper divisors (5940647417).

13366456659 is a wasteful number, since it uses less digits than its factorization.

13366456659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485161857 (or 1485161854 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The spelling of 13366456659 in words is "thirteen billion, three hundred sixty-six million, four hundred fifty-six thousand, six hundred fifty-nine".