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16555266736206 = 231123411371941601
BaseRepresentation
bin1111000011101001001011…
…0010110000000001001110
32011121200001000002121102220
43300322102302300001032
54132220141241024311
655113215021200210
73326035641264012
oct360722262600116
964550030077386
1016555266736206
11530305a528870
121a34631400066
13931202586a53
144133ca128542
151da991948206
hexf0e92cb004e

16555266736206 has 128 divisors (see below), whose sum is σ = 38892183063552. Its totient is φ = 4647413760000.

The previous prime is 16555266736193. The next prime is 16555266736213. The reversal of 16555266736206 is 60263766255561.

It is a self number, because there is not a number n which added to its sum of digits gives 16555266736206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7555806 + ... + 9497406.

It is an arithmetic number, because the mean of its divisors is an integer number (303845180184).

Almost surely, 216555266736206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16555266736206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19446091531776).

16555266736206 is an abundant number, since it is smaller than the sum of its proper divisors (22336916327346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16555266736206 is a wasteful number, since it uses less digits than its factorization.

16555266736206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941818.

The product of its (nonzero) digits is 81648000, while the sum is 60.

The spelling of 16555266736206 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, seven hundred thirty-six thousand, two hundred six".

Divisors: 1 2 3 6 11 22 23 33 41 46 66 69 82 123 137 138 246 253 274 411 451 506 759 822 902 943 1353 1507 1518 1886 2706 2829 3014 3151 4521 5617 5658 6302 9042 9453 10373 11234 16851 18906 20746 31119 33702 34661 61787 62238 69322 103983 123574 129191 185361 207966 258382 370722 387573 775146 1421101 1941601 2842202 3883202 4263303 5824803 8526606 11649606 21357611 42715222 44656823 64072833 79605641 89313646 128145666 133970469 159211282 238816923 265999337 267940938 477633846 491225053 531998674 797998011 875662051 982450106 1473675159 1595996022 1751324102 1830929743 2626986153 2925992707 2947350318 3661859486 5253972306 5492789229 5851985414 6117984751 8777978121 10905972817 10985578458 12235969502 17555956242 18353954253 20140227173 21811945634 32717918451 36707908506 40280454346 60420681519 65435836902 67297832261 119965700987 120841363038 134595664522 201893496783 239931401974 250837374791 359897102961 403786993566 501674749582 719794205922 752512124373 1505024248746 2759211122701 5518422245402 8277633368103 16555266736206