169055834897 has 4 divisors (see below), whose sum is σ = 169422550836. Its totient is φ = 168689118960.

The previous prime is 169055834867. The next prime is 169055834929. The reversal of 169055834897 is 798438550961.

It is a Cunningham number, because it is equal to 411164²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54188390656 + 114867444241 = 232784^2 + 338921^2 .

It is a cyclic number.

It is not a de Polignac number, because 169055834897 - 2⁶ = 169055834833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169055834867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183357278 + ... + 183358199.

It is an arithmetic number, because the mean of its divisors is an integer number (42355637709).

Almost surely, 2^169055834897 is an apocalyptic number.

It is an amenable number.

169055834897 is a deficient number, since it is larger than the sum of its proper divisors (366715939).

169055834897 is an equidigital number, since it uses as much as digits as its factorization.

169055834897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366715938.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 169055834897 in words is "one hundred sixty-nine billion, fifty-five million, eight hundred thirty-four thousand, eight hundred ninety-seven".