16366984633 has 2 divisors, whose sum is σ = 16366984634. Its totient is φ = 16366984632.

The previous prime is 16366984561. The next prime is 16366984661. The reversal of 16366984633 is 33648966361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12898599184 + 3468385449 = 113572^2 + 58893^2 .

It is a cyclic number.

It is not a de Polignac number, because 16366984633 - 2⁹ = 16366984121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16366984663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8183492316 + 8183492317.

It is an arithmetic number, because the mean of its divisors is an integer number (8183492317).

Almost surely, 2^16366984633 is an apocalyptic number.

It is an amenable number.

16366984633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16366984633 is an equidigital number, since it uses as much as digits as its factorization.

16366984633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 55.

The spelling of 16366984633 in words is "sixteen billion, three hundred sixty-six million, nine hundred eighty-four thousand, six hundred thirty-three".