13163414356661 has 2 divisors, whose sum is σ = 13163414356662. Its totient is φ = 13163414356660.

The previous prime is 13163414356601. The next prime is 13163414356679. The reversal of 13163414356661 is 16665341436131.

13163414356661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12509449396900 + 653964959761 = 3536870^2 + 808681^2 .

It is an emirp because it is prime and its reverse (16665341436131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13163414356661 - 2⁴² = 8765367845557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13163414356601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581707178330 + 6581707178331.

It is an arithmetic number, because the mean of its divisors is an integer number (6581707178331).

Almost surely, 2^{13163414356661} is an apocalyptic number.

It is an amenable number.

13163414356661 is a deficient number, since it is larger than the sum of its proper divisors (1).

13163414356661 is an equidigital number, since it uses as much as digits as its factorization.

13163414356661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 50.

The spelling of 13163414356661 in words is "thirteen trillion, one hundred sixty-three billion, four hundred fourteen million, three hundred fifty-six thousand, six hundred sixty-one".