13661344246 has 16 divisors (see below), whose sum is σ = 22661161488. Its totient is φ = 6124636800.

The previous prime is 13661344241. The next prime is 13661344259. The reversal of 13661344246 is 64244316631.

It is a junction number, because it is equal to n+sod(n) for n = 13661344199 and 13661344208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13661344241) 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 7 ways as a sum of consecutive naturals, for example, 4251615 + ... + 4254826.

It is an arithmetic number, because the mean of its divisors is an integer number (1416322593).

Almost surely, 2^13661344246 is an apocalyptic number.

13661344246 is a deficient number, since it is larger than the sum of its proper divisors (8999817242).

13661344246 is a wasteful number, since it uses less digits than its factorization.

13661344246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506527.

The product of its digits is 248832, while the sum is 40.

The spelling of 13661344246 in words is "thirteen billion, six hundred sixty-one million, three hundred forty-four thousand, two hundred forty-six".