16452431240563 has 8 divisors (see below), whose sum is σ = 16916227581968. Its totient is φ = 15989642059104.

The previous prime is 16452431240519. The next prime is 16452431240569. The reversal of 16452431240563 is 36504213425461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16452431240563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452431240569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251756856 + ... + 251822197.

It is an arithmetic number, because the mean of its divisors is an integer number (2114528447746).

Almost surely, 2^{16452431240563} is an apocalyptic number.

16452431240563 is a deficient number, since it is larger than the sum of its proper divisors (463796341405).

16452431240563 is an equidigital number, since it uses as much as digits as its factorization.

16452431240563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503579973.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 16452431240563 in words is "sixteen trillion, four hundred fifty-two billion, four hundred thirty-one million, two hundred forty thousand, five hundred sixty-three".