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16902101664 = 2532723093631
BaseRepresentation
bin11111011110111000…
…11001101010100000
31121121221021201122100
433233130121222200
5234103414223124
611433102410400
71135564331220
oct175734315240
947557251570
1016902101664
117193883168
123338590a00
1317949373b6
14b64ab8080
1568dcda1c9
hex3ef719aa0

16902101664 has 144 divisors (see below), whose sum is σ = 54970755840. Its totient is φ = 4825751040.

The previous prime is 16902101663. The next prime is 16902101717. The reversal of 16902101664 is 46610120961.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16902101663) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4653129 + ... + 4656759.

It is an arithmetic number, because the mean of its divisors is an integer number (381741360).

Almost surely, 216902101664 is an apocalyptic number.

16902101664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16902101664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27485377920).

16902101664 is an abundant number, since it is smaller than the sum of its proper divisors (38068654176).

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

16902101664 is a wasteful number, since it uses less digits than its factorization.

16902101664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963 (or 5952 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 16902101664 in words is "sixteen billion, nine hundred two million, one hundred one thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 2309 3631 4618 6927 7262 9236 10893 13854 14524 16163 18472 20781 21786 25417 27708 29048 32326 32679 36944 41562 43572 48489 50834 55416 58096 64652 65358 73888 76251 83124 87144 96978 101668 110832 116192 129304 130716 145467 152502 166248 174288 193956 203336 221664 228753 258608 261432 290934 305004 332496 348576 387912 406672 457506 517216 522864 581868 610008 664992 775824 813344 915012 1045728 1163736 1220016 1551648 1830024 2327472 2440032 3660048 4654944 7320096 8383979 16767958 25151937 33535916 50303874 58687853 67071832 75455811 100607748 117375706 134143664 150911622 176063559 201215496 234751412 268287328 301823244 352127118 402430992 469502824 528190677 603646488 704254236 804861984 939005648 1056381354 1207292976 1408508472 1878011296 2112762708 2414585952 2817016944 4225525416 5634033888 8451050832 16902101664