2016551450543 has 4 divisors (see below), whose sum is σ = 2304630229200. Its totient is φ = 1728472671888.

The previous prime is 2016551450539. The next prime is 2016551450677. The reversal of 2016551450543 is 3450541556102.

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 2016551450543 - 2² = 2016551450539 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 2016551450543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016551450533) 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, 144039389318 + ... + 144039389331.

It is an arithmetic number, because the mean of its divisors is an integer number (576157557300).

Almost surely, 2^{2016551450543} is an apocalyptic number.

2016551450543 is a deficient number, since it is larger than the sum of its proper divisors (288078778657).

2016551450543 is an equidigital number, since it uses as much as digits as its factorization.

2016551450543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288078778656.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 2016551450543 in words is "two trillion, sixteen billion, five hundred fifty-one million, four hundred fifty thousand, five hundred forty-three".