168518853 has 16 divisors (see below), whose sum is σ = 254370240. Its totient is φ = 110225232.

The previous prime is 168518843. The next prime is 168518863. The reversal of 168518853 is 358815861.

It is an interprime number because it is at equal distance from previous prime (168518843) and next prime (168518863).

It is not a de Polignac number, because 168518853 - 2¹⁷ = 168387781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168518799 and 168518808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168518813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57451 + ... + 60312.

It is an arithmetic number, because the mean of its divisors is an integer number (15898140).

Almost surely, 2^168518853 is an apocalyptic number.

It is an amenable number.

168518853 is a deficient number, since it is larger than the sum of its proper divisors (85851387).

168518853 is a wasteful number, since it uses less digits than its factorization.

168518853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117825 (or 117819 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 168518853 is about 12981.4811558620. The cubic root of 168518853 is about 552.3522975568.

The spelling of 168518853 in words is "one hundred sixty-eight million, five hundred eighteen thousand, eight hundred fifty-three".