16432455053203 has 4 divisors (see below), whose sum is σ = 18779948632240. Its totient is φ = 14084961474168.

The previous prime is 16432455053197. The next prime is 16432455053219. The reversal of 16432455053203 is 30235055423461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16432455053203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16432455053203.

It is not an unprimeable number, because it can be changed into a prime (16432455003203) 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, 1173746789508 + ... + 1173746789521.

It is an arithmetic number, because the mean of its divisors is an integer number (4694987158060).

Almost surely, 2^{16432455053203} is an apocalyptic number.

16432455053203 is a deficient number, since it is larger than the sum of its proper divisors (2347493579037).

16432455053203 is an equidigital number, since it uses as much as digits as its factorization.

16432455053203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347493579036.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 16432455053203 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-five million, fifty-three thousand, two hundred three".