16483561 has 2 divisors, whose sum is σ = 16483562. Its totient is φ = 16483560.

The previous prime is 16483553. The next prime is 16483609. The reversal of 16483561 is 16538461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10989225 + 5494336 = 3315^2 + 2344^2 .

It is a cyclic number.

It is not a de Polignac number, because 16483561 - 2³ = 16483553 is a prime.

It is not a weakly prime, because it can be changed into another prime (16483261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8241780 + 8241781.

It is an arithmetic number, because the mean of its divisors is an integer number (8241781).

Almost surely, 2^16483561 is an apocalyptic number.

It is an amenable number.

16483561 is a deficient number, since it is larger than the sum of its proper divisors (1).

16483561 is an equidigital number, since it uses as much as digits as its factorization.

16483561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 16483561 is about 4059.9951970415. The cubic root of 16483561 is about 254.4975933940.

The spelling of 16483561 in words is "sixteen million, four hundred eighty-three thousand, five hundred sixty-one".