16538043055 has 8 divisors (see below), whose sum is σ = 20117510352. Its totient is φ = 13049195328.

The previous prime is 16538043031. The next prime is 16538043089. The reversal of 16538043055 is 55034083561.

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 16538043055 - 2¹¹ = 16538041007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16538042999 and 16538043017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22654489 + ... + 22655218.

It is an arithmetic number, because the mean of its divisors is an integer number (2514688794).

Almost surely, 2^16538043055 is an apocalyptic number.

16538043055 is a deficient number, since it is larger than the sum of its proper divisors (3579467297).

16538043055 is an equidigital number, since it uses as much as digits as its factorization.

16538043055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45309785.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 16538043055 in words is "sixteen billion, five hundred thirty-eight million, forty-three thousand, fifty-five".