169828956 has 72 divisors (see below), whose sum is σ = 474050304. Its totient is φ = 50833440.

The previous prime is 169828951. The next prime is 169828957. The reversal of 169828956 is 659828961.

It is a happy number.

169828956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169828951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30285 + ... + 35451.

It is an arithmetic number, because the mean of its divisors is an integer number (6584032).

Almost surely, 2^169828956 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 169828956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237025152).

169828956 is an abundant number, since it is smaller than the sum of its proper divisors (304221348).

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

169828956 is a wasteful number, since it uses less digits than its factorization.

169828956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271 (or 5266 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 169828956 is about 13031.8439217173. The cubic root of 169828956 is about 553.7799740547.

The spelling of 169828956 in words is "one hundred sixty-nine million, eight hundred twenty-eight thousand, nine hundred fifty-six".