166485410837 has 16 divisors (see below), whose sum is σ = 177851680560. Its totient is φ = 155299971072.

The previous prime is 166485410821. The next prime is 166485410843. The reversal of 166485410837 is 738014584661.

It can be written as a sum of positive squares in 8 ways, for example, as 14828907076 + 151656503761 = 121774^2 + 389431^2 .

It is not a de Polignac number, because 166485410837 - 2⁴ = 166485410821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166485410867) 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 in 15 ways as a sum of consecutive naturals, for example, 788273 + ... + 976905.

It is an arithmetic number, because the mean of its divisors is an integer number (11115730035).

Almost surely, 2^166485410837 is an apocalyptic number.

166485410837 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

166485410837 is a deficient number, since it is larger than the sum of its proper divisors (11366269723).

166485410837 is a wasteful number, since it uses less digits than its factorization.

166485410837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189112.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 166485410837 in words is "one hundred sixty-six billion, four hundred eighty-five million, four hundred ten thousand, eight hundred thirty-seven".