16290133 has 4 divisors (see below), whose sum is σ = 16597548. Its totient is φ = 15982720.

The previous prime is 16290121. The next prime is 16290137. The reversal of 16290133 is 33109261.

16290133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33109261 = 1063 ⋅31147.

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 11168964 = 2263^2 + 3342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16290133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16290098 and 16290107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290137) 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, 153628 + ... + 153733.

It is an arithmetic number, because the mean of its divisors is an integer number (4149387).

Almost surely, 2^16290133 is an apocalyptic number.

It is an amenable number.

16290133 is a deficient number, since it is larger than the sum of its proper divisors (307415).

16290133 is an equidigital number, since it uses as much as digits as its factorization.

16290133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307414.

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

The square root of 16290133 is about 4036.1036904421. The cubic root of 16290133 is about 253.4981981258.

Adding to 16290133 its reverse (33109261), we get a palindrome (49399394).

The spelling of 16290133 in words is "sixteen million, two hundred ninety thousand, one hundred thirty-three".