169797168 has 120 divisors (see below), whose sum is σ = 504841200. Its totient is φ = 54639360.

The previous prime is 169797157. The next prime is 169797169. The reversal of 169797168 is 861797961.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (169797169) 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 23 ways as a sum of consecutive naturals, for example, 414948 + ... + 415356.

It is an arithmetic number, because the mean of its divisors is an integer number (4207010).

Almost surely, 2^169797168 is an apocalyptic number.

169797168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169797168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252420600).

169797168 is an abundant number, since it is smaller than the sum of its proper divisors (335044032).

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

169797168 is a wasteful number, since it uses less digits than its factorization.

169797168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 445 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 169797168 is about 13030.6242367739. The cubic root of 169797168 is about 553.7454203549.

The spelling of 169797168 in words is "one hundred sixty-nine million, seven hundred ninety-seven thousand, one hundred sixty-eight".