16683433441 has 2 divisors, whose sum is σ = 16683433442. Its totient is φ = 16683433440.

The previous prime is 16683433391. The next prime is 16683433453. The reversal of 16683433441 is 14433438661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14275470400 + 2407963041 = 119480^2 + 49071^2 .

It is a cyclic number.

It is not a de Polignac number, because 16683433441 - 2⁷ = 16683433313 is a prime.

It is not a weakly prime, because it can be changed into another prime (16683433541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341716720 + 8341716721.

It is an arithmetic number, because the mean of its divisors is an integer number (8341716721).

Almost surely, 2^16683433441 is an apocalyptic number.

It is an amenable number.

16683433441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16683433441 is an equidigital number, since it uses as much as digits as its factorization.

16683433441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 43.

The spelling of 16683433441 in words is "sixteen billion, six hundred eighty-three million, four hundred thirty-three thousand, four hundred forty-one".