16533540055 has 8 divisors (see below), whose sum is σ = 19841040144. Its totient is φ = 13226304000.

The previous prime is 16533540013. The next prime is 16533540071. The reversal of 16533540055 is 55004533561.

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

It is not a de Polignac number, because 16533540055 - 2⁹ = 16533539543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16533539996 and 16533540023.

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, 118800 + ... + 217210.

It is an arithmetic number, because the mean of its divisors is an integer number (2480130018).

Almost surely, 2^16533540055 is an apocalyptic number.

16533540055 is a deficient number, since it is larger than the sum of its proper divisors (3307500089).

16533540055 is an equidigital number, since it uses as much as digits as its factorization.

16533540055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132017.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 16533540055 in words is "sixteen billion, five hundred thirty-three million, five hundred forty thousand, fifty-five".