16090 has 8 divisors (see below), whose sum is σ = 28980. Its totient is φ = 6432.

The previous prime is 16087. The next prime is 16091. The reversal of 16090 is 9061.

It can be written as a sum of positive squares in 2 ways, for example, as 15129 + 961 = 123^2 + 31^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795 + ... + 814.

2¹⁶⁰⁹⁰ is an apocalyptic number.

16090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16090 is a deficient number, since it is larger than the sum of its proper divisors (12890).

16090 is a wasteful number, since it uses less digits than its factorization.

16090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 16090 is about 126.8463637634. The cubic root of 16090 is about 25.2455797249.

It can be divided in two parts, 160 and 90, that multiplied together give a square (14400 = 120²).

The spelling of 16090 in words is "sixteen thousand, ninety".