168522343225861 has 8 divisors (see below), whose sum is σ = 172108375225344. Its totient is φ = 164936329986000.

The previous prime is 168522343225771. The next prime is 168522343225897.

It is a happy number.

168522343225861 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 168522343225861 - 2¹⁷ = 168522343094789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168522343225796 and 168522343225805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168522343225361) 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, 14275111 + ... + 23255611.

It is an arithmetic number, because the mean of its divisors is an integer number (21513546903168).

Almost surely, 2^{168522343225861} is an apocalyptic number.

It is an amenable number.

168522343225861 is a deficient number, since it is larger than the sum of its proper divisors (3586031999483).

168522343225861 is an equidigital number, since it uses as much as digits as its factorization.

168522343225861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379811.

The product of its digits is 33177600, while the sum is 58.

The spelling of 168522343225861 in words is "one hundred sixty-eight trillion, five hundred twenty-two billion, three hundred forty-three million, two hundred twenty-five thousand, eight hundred sixty-one".