168326206443 has 6 divisors (see below), whose sum is σ = 243137853764. Its totient is φ = 112217470956.

The previous prime is 168326206393. The next prime is 168326206457. The reversal of 168326206443 is 344602623861.

168326206443 is a `hidden beast` number, since 16 + 8 + 3 + 2 + 620 + 6 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 168326206443 - 2¹⁸ = 168325944299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168326206943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9351455905 + ... + 9351455922.

Almost surely, 2^168326206443 is an apocalyptic number.

168326206443 is a deficient number, since it is larger than the sum of its proper divisors (74811647321).

168326206443 is a wasteful number, since it uses less digits than its factorization.

168326206443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18702911833 (or 18702911830 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 168326206443 in words is "one hundred sixty-eight billion, three hundred twenty-six million, two hundred six thousand, four hundred forty-three".