16603473233 has 2 divisors, whose sum is σ = 16603473234. Its totient is φ = 16603473232.

The previous prime is 16603473221. The next prime is 16603473331. The reversal of 16603473233 is 33237430661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12810391489 + 3793081744 = 113183^2 + 61588^2 .

It is a cyclic number.

It is not a de Polignac number, because 16603473233 - 2⁴ = 16603473217 is a prime.

It is not a weakly prime, because it can be changed into another prime (16603403233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8301736616 + 8301736617.

It is an arithmetic number, because the mean of its divisors is an integer number (8301736617).

Almost surely, 2^16603473233 is an apocalyptic number.

It is an amenable number.

16603473233 is a deficient number, since it is larger than the sum of its proper divisors (1).

16603473233 is an equidigital number, since it uses as much as digits as its factorization.

16603473233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 16603473233 in words is "sixteen billion, six hundred three million, four hundred seventy-three thousand, two hundred thirty-three".