108068169849 has 4 divisors (see below), whose sum is σ = 144090893136. Its totient is φ = 72045446564.

The previous prime is 108068169827. The next prime is 108068169857. The reversal of 108068169849 is 948961860801.

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 not a de Polignac number, because 108068169849 - 2¹⁵ = 108068137081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108068169792 and 108068169801.

It is not an unprimeable number, because it can be changed into a prime (108068169889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18011361639 + ... + 18011361644.

It is an arithmetic number, because the mean of its divisors is an integer number (36022723284).

Almost surely, 2^108068169849 is an apocalyptic number.

It is an amenable number.

108068169849 is a deficient number, since it is larger than the sum of its proper divisors (36022723287).

108068169849 is an equidigital number, since it uses as much as digits as its factorization.

108068169849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36022723286.

The product of its (nonzero) digits is 5971968, while the sum is 60.

The spelling of 108068169849 in words is "one hundred eight billion, sixty-eight million, one hundred sixty-nine thousand, eight hundred forty-nine".