16432455403643 has 2 divisors, whose sum is σ = 16432455403644. Its totient is φ = 16432455403642.

The previous prime is 16432455403589. The next prime is 16432455403709. The reversal of 16432455403643 is 34630455423461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16432455403643 - 2⁸ = 16432455403387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16432455403591 and 16432455403600.

It is not a weakly prime, because it can be changed into another prime (16432455408643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216227701821 + 8216227701822.

It is an arithmetic number, because the mean of its divisors is an integer number (8216227701822).

Almost surely, 2^{16432455403643} is an apocalyptic number.

16432455403643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432455403643 is an equidigital number, since it uses as much as digits as its factorization.

16432455403643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 16432455403643 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-five million, four hundred three thousand, six hundred forty-three".