166853349 has 12 divisors (see below), whose sum is σ = 259549836. Its totient is φ = 102678912.

The previous prime is 166853347. The next prime is 166853363. The reversal of 166853349 is 943358661.

166853349 is a `hidden beast` number, since 16 + 68 + 533 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82029249 + 84824100 = 9057^2 + 9210^2 .

It is not a de Polignac number, because 166853349 - 2¹ = 166853347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166853347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712932 + ... + 713165.

It is an arithmetic number, because the mean of its divisors is an integer number (21629153).

Almost surely, 2^166853349 is an apocalyptic number.

It is an amenable number.

166853349 is a deficient number, since it is larger than the sum of its proper divisors (92696487).

166853349 is a wasteful number, since it uses less digits than its factorization.

166853349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426116 (or 1426113 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 166853349 is about 12917.1726395524. The cubic root of 166853349 is about 550.5266019758.

The spelling of 166853349 in words is "one hundred sixty-six million, eight hundred fifty-three thousand, three hundred forty-nine".