163040 has 24 divisors (see below), whose sum is σ = 385560. Its totient is φ = 65152.

The previous prime is 163027. The next prime is 163061. The reversal of 163040 is 40361.

Added to its reverse (40361) it gives a square (203401 = 451²).

163040 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350 + ... + 669.

It is an arithmetic number, because the mean of its divisors is an integer number (16065).

2¹⁶³⁰⁴⁰ is an apocalyptic number.

163040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163040 is an abundant number, since it is smaller than the sum of its proper divisors (222520).

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

163040 is a wasteful number, since it uses less digits than its factorization.

163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 163040 is about 403.7821194654. The cubic root of 163040 is about 54.6300236955.

Adding to 163040 its reverse (40361), we get a square (203401 = 451²).

The spelling of 163040 in words is "one hundred sixty-three thousand, forty".