168463080853 has 4 divisors (see below), whose sum is σ = 169162098028. Its totient is φ = 167764063680.

The previous prime is 168463080817. The next prime is 168463080883. The reversal of 168463080853 is 358080364861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358080364861 = 114299 ⋅3132839.

It can be written as a sum of positive squares in 2 ways, for example, as 44771597649 + 123691483204 = 211593^2 + 351698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168463080853 is a prime.

It is a super-2 number, since 2×168463080853² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168463080853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168463080883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349508226 + ... + 349508707.

It is an arithmetic number, because the mean of its divisors is an integer number (42290524507).

Almost surely, 2^168463080853 is an apocalyptic number.

It is an amenable number.

168463080853 is a deficient number, since it is larger than the sum of its proper divisors (699017175).

168463080853 is an equidigital number, since it uses as much as digits as its factorization.

168463080853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699017174.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 168463080853 in words is "one hundred sixty-eight billion, four hundred sixty-three million, eighty thousand, eight hundred fifty-three".