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16655060655 = 325913740507
BaseRepresentation
bin11111000001011100…
…00000111010101111
31120222201102202002100
433200232000322233
5233102143420110
611352355430143
71126504452102
oct174056007257
946881382070
1016655060655
117077390642
1232898b5353
1317556bc79c
14b3dd6c739
1567728cbc0
hex3e0b80eaf

16655060655 has 24 divisors (see below), whose sum is σ = 28872644112. Its totient is φ = 8881507584.

The previous prime is 16655060647. The next prime is 16655060659. The reversal of 16655060655 is 55606055661.

It is not a de Polignac number, because 16655060655 - 23 = 16655060647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16655060655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16655060659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390912 + ... + 431418.

It is an arithmetic number, because the mean of its divisors is an integer number (1203026838).

Almost surely, 216655060655 is an apocalyptic number.

16655060655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16655060655 is a deficient number, since it is larger than the sum of its proper divisors (12217583457).

16655060655 is a wasteful number, since it uses less digits than its factorization.

16655060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49655 (or 49652 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 16655060655 in words is "sixteen billion, six hundred fifty-five million, sixty thousand, six hundred fifty-five".

Divisors: 1 3 5 9 15 45 9137 27411 40507 45685 82233 121521 137055 202535 364563 411165 607605 1822815 370112459 1110337377 1850562295 3331012131 5551686885 16655060655