166052324441 has 2 divisors, whose sum is σ = 166052324442. Its totient is φ = 166052324440.

The previous prime is 166052324407. The next prime is 166052324479. The reversal of 166052324441 is 144423250661.

It is an a-pointer prime, because the next prime (166052324479) can be obtained adding 166052324441 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162392074441 + 3660250000 = 402979^2 + 60500^2 .

It is a cyclic number.

It is not a de Polignac number, because 166052324441 - 2⁶ = 166052324377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166052324395 and 166052324404.

It is not a weakly prime, because it can be changed into another prime (166052324041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83026162220 + 83026162221.

It is an arithmetic number, because the mean of its divisors is an integer number (83026162221).

Almost surely, 2^166052324441 is an apocalyptic number.

It is an amenable number.

166052324441 is a deficient number, since it is larger than the sum of its proper divisors (1).

166052324441 is an equidigital number, since it uses as much as digits as its factorization.

166052324441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 166052324441 in words is "one hundred sixty-six billion, fifty-two million, three hundred twenty-four thousand, four hundred forty-one".