169980027 has 16 divisors (see below), whose sum is σ = 259468800. Its totient is φ = 96962112.

The previous prime is 169980017. The next prime is 169980053. The reversal of 169980027 is 720089961.

It is not a de Polignac number, because 169980027 - 2¹⁴ = 169963643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169980017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5823 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (16216800).

Almost surely, 2^169980027 is an apocalyptic number.

169980027 is a deficient number, since it is larger than the sum of its proper divisors (89488773).

169980027 is a wasteful number, since it uses less digits than its factorization.

169980027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14122.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 169980027 is about 13037.6388583209. The cubic root of 169980027 is about 553.9441300033.

The spelling of 169980027 in words is "one hundred sixty-nine million, nine hundred eighty thousand, twenty-seven".