16614121 has 2 divisors, whose sum is σ = 16614122. Its totient is φ = 16614120.

The previous prime is 16614097. The next prime is 16614133. The reversal of 16614121 is 12141661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9517225 + 7096896 = 3085^2 + 2664^2 .

It is a cyclic number.

It is not a de Polignac number, because 16614121 - 2¹⁹ = 16089833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16614092 and 16614101.

It is not a weakly prime, because it can be changed into another prime (16614181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8307060 + 8307061.

It is an arithmetic number, because the mean of its divisors is an integer number (8307061).

Almost surely, 2^16614121 is an apocalyptic number.

It is an amenable number.

16614121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16614121 is an equidigital number, since it uses as much as digits as its factorization.

16614121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 16614121 is about 4076.0423206831. The cubic root of 16614121 is about 255.1677532605.

Adding to 16614121 its reverse (12141661), we get a palindrome (28755782).

The spelling of 16614121 in words is "sixteen million, six hundred fourteen thousand, one hundred twenty-one".