1546216524161 has 2 divisors, whose sum is σ = 1546216524162. Its totient is φ = 1546216524160.

The previous prime is 1546216524143. The next prime is 1546216524169. The reversal of 1546216524161 is 1614256126451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1542427383025 + 3789141136 = 1241945^2 + 61556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1546216524161 - 2³⁸ = 1271338617217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1546216524169) by changing a digit.

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 as a sum of consecutive naturals, namely, 773108262080 + 773108262081.

It is an arithmetic number, because the mean of its divisors is an integer number (773108262081).

Almost surely, 2^{1546216524161} is an apocalyptic number.

It is an amenable number.

1546216524161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1546216524161 is an equidigital number, since it uses as much as digits as its factorization.

1546216524161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The spelling of 1546216524161 in words is "one trillion, five hundred forty-six billion, two hundred sixteen million, five hundred twenty-four thousand, one hundred sixty-one".