169121056106 has 8 divisors (see below), whose sum is σ = 268604030340. Its totient is φ = 79586379328.

The previous prime is 169121056099. The next prime is 169121056129. The reversal of 169121056106 is 601650121961.

169121056106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166337544025 + 2783512081 = 407845^2 + 52759^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 169121056106.

It is an unprimeable number.

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, 2487074321 + ... + 2487074388.

Almost surely, 2^169121056106 is an apocalyptic number.

169121056106 is a deficient number, since it is larger than the sum of its proper divisors (99482974234).

169121056106 is a wasteful number, since it uses less digits than its factorization.

169121056106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974148728.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 169121056106 in words is "one hundred sixty-nine billion, one hundred twenty-one million, fifty-six thousand, one hundred six".