168363168053 has 16 divisors (see below), whose sum is σ = 173957290416. Its totient is φ = 162845736960.

The previous prime is 168363168023. The next prime is 168363168079. The reversal of 168363168053 is 350861363861.

It can be written as a sum of positive squares in 8 ways, for example, as 6096798724 + 162266369329 = 78082^2 + 402823^2 .

It is a cyclic number.

It is not a de Polignac number, because 168363168053 - 2²² = 168358973749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168363167992 and 168363168010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168363168023) 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, 2282201 + ... + 2354817.

It is an arithmetic number, because the mean of its divisors is an integer number (10872330651).

Almost surely, 2^168363168053 is an apocalyptic number.

It is an amenable number.

168363168053 is a deficient number, since it is larger than the sum of its proper divisors (5594122363).

168363168053 is a wasteful number, since it uses less digits than its factorization.

168363168053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73144.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 168363168053 in words is "one hundred sixty-eight billion, three hundred sixty-three million, one hundred sixty-eight thousand, fifty-three".