169289316 has 108 divisors (see below), whose sum is σ = 524094480. Its totient is φ = 45813600.

The previous prime is 169289279. The next prime is 169289321. The reversal of 169289316 is 613982961.

It is a happy number.

169289316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30991 + ... + 36041.

Almost surely, 2^169289316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169289316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262047240).

169289316 is an abundant number, since it is smaller than the sum of its proper divisors (354805164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169289316 is a wasteful number, since it uses less digits than its factorization.

169289316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094 (or 5082 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 169289316 is about 13011.1227801447. The cubic root of 169289316 is about 553.1927971670.

It can be divided in two parts, 16928 and 9316, that added together give a square (26244 = 162²).

The spelling of 169289316 in words is "one hundred sixty-nine million, two hundred eighty-nine thousand, three hundred sixteen".