169960 has 32 divisors (see below), whose sum is σ = 437760. Its totient is φ = 58176.

The previous prime is 169957. The next prime is 169987. The reversal of 169960 is 69961.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2¹⁶⁹⁹⁶⁰ is an apocalyptic number.

169960 is a gapful number since it is divisible by the number (10) 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 169960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218880).

169960 is an abundant number, since it is smaller than the sum of its proper divisors (267800).

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

169960 is a wasteful number, since it uses less digits than its factorization.

169960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 169960 is about 412.2620525831. The cubic root of 169960 is about 55.3922373967.

Subtracting from 169960 its reverse (69961), we obtain a palindrome (99999).

The spelling of 169960 in words is "one hundred sixty-nine thousand, nine hundred sixty".