169096889 has 4 divisors (see below), whose sum is σ = 182104356. Its totient is φ = 156089424.

The previous prime is 169096861. The next prime is 169096913. The reversal of 169096889 is 988690961.

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 75394489 + 93702400 = 8683^2 + 9680^2 .

It is a cyclic number.

It is not a de Polignac number, because 169096889 - 2⁸ = 169096633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169096849) 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 3 ways as a sum of consecutive naturals, for example, 6503714 + ... + 6503739.

It is an arithmetic number, because the mean of its divisors is an integer number (45526089).

Almost surely, 2^169096889 is an apocalyptic number.

It is an amenable number.

169096889 is a deficient number, since it is larger than the sum of its proper divisors (13007467).

169096889 is a wasteful number, since it uses less digits than its factorization.

169096889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007466.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 169096889 is about 13003.7259660453. The cubic root of 169096889 is about 552.9831174874.

The spelling of 169096889 in words is "one hundred sixty-nine million, ninety-six thousand, eight hundred eighty-nine".