16543422046555 has 8 divisors (see below), whose sum is σ = 19855926403632. Its totient is φ = 13232191005408.

The previous prime is 16543422046537. The next prime is 16543422046603. The reversal of 16543422046555 is 55564022434561.

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

It is a cyclic number.

It is not a de Polignac number, because 16543422046555 - 2⁵ = 16543422046523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318300397 + ... + 318352366.

It is an arithmetic number, because the mean of its divisors is an integer number (2481990800454).

Almost surely, 2^{16543422046555} is an apocalyptic number.

16543422046555 is a deficient number, since it is larger than the sum of its proper divisors (3312504357077).

16543422046555 is an equidigital number, since it uses as much as digits as its factorization.

16543422046555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636657965.

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 16543422046555 in words is "sixteen trillion, five hundred forty-three billion, four hundred twenty-two million, forty-six thousand, five hundred fifty-five".