16400803733 has 2 divisors, whose sum is σ = 16400803734. Its totient is φ = 16400803732.

The previous prime is 16400803691. The next prime is 16400803739. The reversal of 16400803733 is 33730800461.

It is a happy number.

16400803733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8720384689 + 7680419044 = 93383^2 + 87638^2 .

It is a cyclic number.

It is not a de Polignac number, because 16400803733 - 2¹⁶ = 16400738197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16400803693 and 16400803702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16400803739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200401866 + 8200401867.

It is an arithmetic number, because the mean of its divisors is an integer number (8200401867).

Almost surely, 2^16400803733 is an apocalyptic number.

It is an amenable number.

16400803733 is a deficient number, since it is larger than the sum of its proper divisors (1).

16400803733 is an equidigital number, since it uses as much as digits as its factorization.

16400803733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 16400803733 in words is "sixteen billion, four hundred million, eight hundred three thousand, seven hundred thirty-three".