16432566320403 has 12 divisors (see below), whose sum is σ = 25132160254968. Its totient is φ = 10310629848000.

The previous prime is 16432566320389. The next prime is 16432566320453. The reversal of 16432566320403 is 30402366523461.

16432566320403 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 5 + 6 + 632 + 0 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 16432566320403 - 2⁹ = 16432566319891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432566320453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53701196973 + ... + 53701197278.

It is an arithmetic number, because the mean of its divisors is an integer number (2094346687914).

Almost surely, 2^{16432566320403} is an apocalyptic number.

16432566320403 is a deficient number, since it is larger than the sum of its proper divisors (8699593934565).

16432566320403 is a wasteful number, since it uses less digits than its factorization.

16432566320403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107402394274 (or 107402394271 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 16432566320403 in words is "sixteen trillion, four hundred thirty-two billion, five hundred sixty-six million, three hundred twenty thousand, four hundred three".