13798194065668 has 96 divisors (see below), whose sum is σ = 25639566253056. Its totient is φ = 6484078753152.

The previous prime is 13798194065653. The next prime is 13798194065707. The reversal of 13798194065668 is 86656049189731.

It is a super-2 number, since 2×13798194065668² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13798194065668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1894571955 + ... + 1894579237.

It is an arithmetic number, because the mean of its divisors is an integer number (267078815136).

Almost surely, 2^{13798194065668} is an apocalyptic number.

It is an amenable number.

13798194065668 is a deficient number, since it is larger than the sum of its proper divisors (11841372187388).

13798194065668 is a wasteful number, since it uses less digits than its factorization.

13798194065668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713 (or 8711 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 73.

The spelling of 13798194065668 in words is "thirteen trillion, seven hundred ninety-eight billion, one hundred ninety-four million, sixty-five thousand, six hundred sixty-eight".