166352364049 has 2 divisors, whose sum is σ = 166352364050. Its totient is φ = 166352364048.

The previous prime is 166352364023. The next prime is 166352364071. The reversal of 166352364049 is 940463253661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166254354049 + 98010000 = 407743^2 + 9900^2 .

It is a cyclic number.

It is not a de Polignac number, because 166352364049 - 2⁷ = 166352363921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166352363993 and 166352364011.

It is not a weakly prime, because it can be changed into another prime (166352304049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83176182024 + 83176182025.

It is an arithmetic number, because the mean of its divisors is an integer number (83176182025).

Almost surely, 2^166352364049 is an apocalyptic number.

It is an amenable number.

166352364049 is a deficient number, since it is larger than the sum of its proper divisors (1).

166352364049 is an equidigital number, since it uses as much as digits as its factorization.

166352364049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 49.

The spelling of 166352364049 in words is "one hundred sixty-six billion, three hundred fifty-two million, three hundred sixty-four thousand, forty-nine".