268673367161 has 4 divisors (see below), whose sum is σ = 269143899024. Its totient is φ = 268202835300.

The previous prime is 268673367133. The next prime is 268673367191. The reversal of 268673367161 is 161763376862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268673367161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268673367097 and 268673367106.

It is not an unprimeable number, because it can be changed into a prime (268673367191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235265075 + ... + 235266216.

It is an arithmetic number, because the mean of its divisors is an integer number (67285974756).

Almost surely, 2^268673367161 is an apocalyptic number.

It is an amenable number.

268673367161 is a deficient number, since it is larger than the sum of its proper divisors (470531863).

268673367161 is an equidigital number, since it uses as much as digits as its factorization.

268673367161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470531862.

The product of its digits is 9144576, while the sum is 56.

The spelling of 268673367161 in words is "two hundred sixty-eight billion, six hundred seventy-three million, three hundred sixty-seven thousand, one hundred sixty-one".