13201063341661 has 16 divisors (see below), whose sum is σ = 14414270459904. Its totient is φ = 12017253999744.

The previous prime is 13201063341659. The next prime is 13201063341679. The reversal of 13201063341661 is 16614336010231.

It is a cyclic number.

It is not a de Polignac number, because 13201063341661 - 2¹ = 13201063341659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13201063341661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201063345661) 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, 23663800 + ... + 24215233.

It is an arithmetic number, because the mean of its divisors is an integer number (900891903744).

Almost surely, 2^{13201063341661} is an apocalyptic number.

It is an amenable number.

13201063341661 is a deficient number, since it is larger than the sum of its proper divisors (1213207118243).

13201063341661 is a wasteful number, since it uses less digits than its factorization.

13201063341661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47879340.

The product of its (nonzero) digits is 46656, while the sum is 37.

Adding to 13201063341661 its reverse (16614336010231), we get a palindrome (29815399351892).

The spelling of 13201063341661 in words is "thirteen trillion, two hundred one billion, sixty-three million, three hundred forty-one thousand, six hundred sixty-one".