163090 has 16 divisors (see below), whose sum is σ = 300672. Its totient is φ = 63664.

The previous prime is 163063. The next prime is 163109. The reversal of 163090 is 90361.

163090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

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, 297 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (18792).

2¹⁶³⁰⁹⁰ is an apocalyptic number.

163090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163090 is a deficient number, since it is larger than the sum of its proper divisors (137582).

163090 is a wasteful number, since it uses less digits than its factorization.

163090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 163090 is about 403.8440292984. The cubic root of 163090 is about 54.6356076463.

The spelling of 163090 in words is "one hundred sixty-three thousand, ninety".