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16533540055 = 53360198411
BaseRepresentation
bin11110110010111100…
…11100110011010111
31120200020202212011101
433121132130303113
5232330041240210
611332335050531
71123500525454
oct173136346327
946606685141
1016533540055
11701483039a
123255070a47
1317364826c6
14b2bb7882b
1566b786a3a
hex3d979ccd7

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, 216533540055 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".

Divisors: 1 5 33601 98411 168005 492055 3306708011 16533540055