16431133120063 has 4 divisors (see below), whose sum is σ = 16431145948080. Its totient is φ = 16431120292048.

The previous prime is 16431133120043. The next prime is 16431133120067. The reversal of 16431133120063 is 36002133113461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16431133120063 - 2⁹ = 16431133119551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16431133120067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249123 + ... + 7135636.

It is an arithmetic number, because the mean of its divisors is an integer number (4107786487020).

Almost surely, 2^{16431133120063} is an apocalyptic number.

16431133120063 is a deficient number, since it is larger than the sum of its proper divisors (12828017).

16431133120063 is a wasteful number, since it uses less digits than its factorization.

16431133120063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828016.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 16431133120063 in words is "sixteen trillion, four hundred thirty-one billion, one hundred thirty-three million, one hundred twenty thousand, sixty-three".