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164809126092 = 2231317131474391
BaseRepresentation
bin1001100101111101100…
…0111011000011001100
3120202101211110001210010
42121133120323003030
510200012114013332
6203413503313220
714623060312662
oct2313730730314
9522354401703
10164809126092
1163993500836
1227b362ab810
13127066b8070
147d964cac32
154448c8d9cc
hex265f63b0cc

164809126092 has 96 divisors (see below), whose sum is σ = 441844913664. Its totient is φ = 47363097600.

The previous prime is 164809126091. The next prime is 164809126129. The reversal of 164809126092 is 290621908461.

It is not an unprimeable number, because it can be changed into a prime (164809126091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110217 + ... + 584607.

It is an arithmetic number, because the mean of its divisors is an integer number (4602551184).

Almost surely, 2164809126092 is an apocalyptic number.

164809126092 is a gapful number since it is divisible by the number (12) 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 164809126092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220922456832).

164809126092 is an abundant number, since it is smaller than the sum of its proper divisors (277035787572).

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

164809126092 is a wasteful number, since it uses less digits than its factorization.

164809126092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474559 (or 474557 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 164809126092 in words is "one hundred sixty-four billion, eight hundred nine million, one hundred twenty-six thousand, ninety-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 131 156 204 221 262 393 442 524 663 786 884 1326 1572 1703 2227 2652 3406 4454 5109 6681 6812 8908 10218 13362 20436 26724 28951 57902 86853 115804 173706 347412 474391 948782 1423173 1897564 2846346 5692692 6167083 8064647 12334166 16129294 18501249 24193941 24668332 32258588 37002498 48387882 62145221 74004996 96775764 104840411 124290442 186435663 209680822 248580884 314521233 372871326 419361644 629042466 745742652 807887873 1056468757 1258084932 1615775746 2112937514 2423663619 3169406271 3231551492 4225875028 4847327238 6338812542 9694654476 12677625084 13734093841 27468187682 41202281523 54936375364 82404563046 164809126092