163960 has 16 divisors (see below), whose sum is σ = 369000. Its totient is φ = 65568.

The previous prime is 163927. The next prime is 163973. The reversal of 163960 is 69361.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

163960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010 + ... + 2089.

2¹⁶³⁹⁶⁰ is an apocalyptic number.

163960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163960 is an abundant number, since it is smaller than the sum of its proper divisors (205040).

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

163960 is a wasteful number, since it uses less digits than its factorization.

163960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110 (or 4106 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 163960 is about 404.9197451348. The cubic root of 163960 is about 54.7325862205.

The spelling of 163960 in words is "one hundred sixty-three thousand, nine hundred sixty".