6321345134161 has 2 divisors, whose sum is σ = 6321345134162. Its totient is φ = 6321345134160.

The previous prime is 6321345134113. The next prime is 6321345134197. The reversal of 6321345134161 is 1614315431236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6310621289025 + 10723845136 = 2512095^2 + 103556^2 .

It is a cyclic number.

It is not a de Polignac number, because 6321345134161 - 2³⁷ = 6183906180689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6321345134761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160672567080 + 3160672567081.

It is an arithmetic number, because the mean of its divisors is an integer number (3160672567081).

Almost surely, 2^{6321345134161} is an apocalyptic number.

It is an amenable number.

6321345134161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321345134161 is an equidigital number, since it uses as much as digits as its factorization.

6321345134161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The spelling of 6321345134161 in words is "six trillion, three hundred twenty-one billion, three hundred forty-five million, one hundred thirty-four thousand, one hundred sixty-one".