168516843351 has 16 divisors (see below), whose sum is σ = 235522129920. Its totient is φ = 107055506880.

The previous prime is 168516843329. The next prime is 168516843359. The reversal of 168516843351 is 153348615861.

It is not a de Polignac number, because 168516843351 - 2¹⁴ = 168516826967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168516843294 and 168516843303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168516843359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15925591 + ... + 15936168.

It is an arithmetic number, because the mean of its divisors is an integer number (14720133120).

Almost surely, 2^168516843351 is an apocalyptic number.

168516843351 is a deficient number, since it is larger than the sum of its proper divisors (67005286569).

168516843351 is a wasteful number, since it uses less digits than its factorization.

168516843351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31861846.

The product of its digits is 2073600, while the sum is 51.

The spelling of 168516843351 in words is "one hundred sixty-eight billion, five hundred sixteen million, eight hundred forty-three thousand, three hundred fifty-one".