166835350373 has 2 divisors, whose sum is σ = 166835350374. Its totient is φ = 166835350372.

The previous prime is 166835350333. The next prime is 166835350379. The reversal of 166835350373 is 373053538661.

166835350373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157654261249 + 9181089124 = 397057^2 + 95818^2 .

It is a cyclic number.

It is not a de Polignac number, because 166835350373 - 2¹⁴ = 166835333989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166835350379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83417675186 + 83417675187.

It is an arithmetic number, because the mean of its divisors is an integer number (83417675187).

Almost surely, 2^166835350373 is an apocalyptic number.

It is an amenable number.

166835350373 is a deficient number, since it is larger than the sum of its proper divisors (1).

166835350373 is an equidigital number, since it uses as much as digits as its factorization.

166835350373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 50.

The spelling of 166835350373 in words is "one hundred sixty-six billion, eight hundred thirty-five million, three hundred fifty thousand, three hundred seventy-three".