168499859271 has 8 divisors (see below), whose sum is σ = 224898816384. Its totient is φ = 112217070840.

The previous prime is 168499859263. The next prime is 168499859303. The reversal of 168499859271 is 172958994861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168499859271 - 2³ = 168499859263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168499859196 and 168499859205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168499859221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29038785 + ... + 29044586.

It is an arithmetic number, because the mean of its divisors is an integer number (28112352048).

Almost surely, 2^168499859271 is an apocalyptic number.

168499859271 is a deficient number, since it is larger than the sum of its proper divisors (56398957113).

168499859271 is an equidigital number, since it uses as much as digits as its factorization.

168499859271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58084341.

The product of its digits is 78382080, while the sum is 69.

The spelling of 168499859271 in words is "one hundred sixty-eight billion, four hundred ninety-nine million, eight hundred fifty-nine thousand, two hundred seventy-one".