16432571656043 has 2 divisors, whose sum is σ = 16432571656044. Its totient is φ = 16432571656042.

The previous prime is 16432571656031. The next prime is 16432571656079. The reversal of 16432571656043 is 34065617523461.

It is a happy number.

16432571656043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16432571656043 - 2¹⁸ = 16432571393899 is a prime.

It is a super-2 number, since 2×16432571656043² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16432571656003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216285828021 + 8216285828022.

It is an arithmetic number, because the mean of its divisors is an integer number (8216285828022).

Almost surely, 2^{16432571656043} is an apocalyptic number.

16432571656043 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432571656043 is an equidigital number, since it uses as much as digits as its factorization.

16432571656043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 16432571656043 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventy-one million, six hundred fifty-six thousand, forty-three".