168458853 has 4 divisors (see below), whose sum is σ = 224611808. Its totient is φ = 112305900.

The previous prime is 168458839. The next prime is 168458887. The reversal of 168458853 is 358854861.

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, and also an emirpimes, since its reverse is a distinct semiprime: 358854861 = 3 ⋅119618287.

It is not a de Polignac number, because 168458853 - 2⁸ = 168458597 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 (168458803) 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, 28076473 + ... + 28076478.

It is an arithmetic number, because the mean of its divisors is an integer number (56152952).

Almost surely, 2^168458853 is an apocalyptic number.

It is an amenable number.

168458853 is a deficient number, since it is larger than the sum of its proper divisors (56152955).

168458853 is an equidigital number, since it uses as much as digits as its factorization.

168458853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56152954.

The product of its digits is 921600, while the sum is 48.

The square root of 168458853 is about 12979.1699657567. The cubic root of 168458853 is about 552.2867360063.

The spelling of 168458853 in words is "one hundred sixty-eight million, four hundred fifty-eight thousand, eight hundred fifty-three".