16432334761543 has 4 divisors (see below), whose sum is σ = 16432348682968. Its totient is φ = 16432320840120.

The previous prime is 16432334761537. The next prime is 16432334761571. The reversal of 16432334761543 is 34516743323461.

It is a happy number.

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 16432334761543 - 2¹⁷ = 16432334630471 is a prime.

It is a super-3 number, since 3×16432334761543³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432334731543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5007468 + ... + 7611793.

It is an arithmetic number, because the mean of its divisors is an integer number (4108087170742).

Almost surely, 2^{16432334761543} is an apocalyptic number.

16432334761543 is a deficient number, since it is larger than the sum of its proper divisors (13921425).

16432334761543 is a wasteful number, since it uses less digits than its factorization.

16432334761543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13921424.

The product of its digits is 13063680, while the sum is 52.

The spelling of 16432334761543 in words is "sixteen trillion, four hundred thirty-two billion, three hundred thirty-four million, seven hundred sixty-one thousand, five hundred forty-three".