166710053 has 2 divisors, whose sum is σ = 166710054. Its totient is φ = 166710052.

The previous prime is 166710029. The next prime is 166710073. The reversal of 166710053 is 350017661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166358404 + 351649 = 12898^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 166710053 - 2¹⁰ = 166709029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166709998 and 166710025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166710013) 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, 83355026 + 83355027.

It is an arithmetic number, because the mean of its divisors is an integer number (83355027).

Almost surely, 2^166710053 is an apocalyptic number.

It is an amenable number.

166710053 is a deficient number, since it is larger than the sum of its proper divisors (1).

166710053 is an equidigital number, since it uses as much as digits as its factorization.

166710053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 166710053 is about 12911.6247234808. The cubic root of 166710053 is about 550.3689568448.

The spelling of 166710053 in words is "one hundred sixty-six million, seven hundred ten thousand, fifty-three".