209096169 has 8 divisors (see below), whose sum is σ = 279524352. Its totient is φ = 139032720.

The previous prime is 209096161. The next prime is 209096233. The reversal of 209096169 is 961690902.

It is a happy number.

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

It is not a de Polignac number, because 209096169 - 2³ = 209096161 is a prime.

It is a super-2 number, since 2×209096169² = 87442415780953122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 209096169.

It is not an unprimeable number, because it can be changed into a prime (209096161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89842 + ... + 92139.

It is an arithmetic number, because the mean of its divisors is an integer number (34940544).

Almost surely, 2^209096169 is an apocalyptic number.

It is an amenable number.

209096169 is a deficient number, since it is larger than the sum of its proper divisors (70428183).

209096169 is a wasteful number, since it uses less digits than its factorization.

209096169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182367.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 209096169 is about 14460.1579866888. The cubic root of 209096169 is about 593.5382227701.

The spelling of 209096169 in words is "two hundred nine million, ninety-six thousand, one hundred sixty-nine".