168495853 has 4 divisors (see below), whose sum is σ = 169822720. Its totient is φ = 167168988.

The previous prime is 168495839. The next prime is 168495863. The reversal of 168495853 is 358594861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168495853 - 2²⁵ = 134941421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168495797 and 168495806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168495863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663243 + ... + 663496.

It is an arithmetic number, because the mean of its divisors is an integer number (42455680).

Almost surely, 2^168495853 is an apocalyptic number.

It is an amenable number.

168495853 is a deficient number, since it is larger than the sum of its proper divisors (1326867).

168495853 is a wasteful number, since it uses less digits than its factorization.

168495853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326866.

The product of its digits is 1036800, while the sum is 49.

The square root of 168495853 is about 12980.5952482927. The cubic root of 168495853 is about 552.3271674687.

The spelling of 168495853 in words is "one hundred sixty-eight million, four hundred ninety-five thousand, eight hundred fifty-three".