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66086446086460 = 22510393180290957
BaseRepresentation
bin11110000011010111100110…
…01001001011100100111100
322122222210200001111021010101
433001223303021023210330
532130230020144231320
6352315405541050444
716630405512156322
oct1701536311134474
9278883601437111
1066086446086460
111a06a116a44818
1274b3bb50b6a24
132ab4c04668427
14124685b42dd12
157990d7daac0a
hex3c1af324b93c

66086446086460 has 24 divisors (see below), whose sum is σ = 138915109045440. Its totient is φ = 26409136098624.

The previous prime is 66086446086433. The next prime is 66086446086467. The reversal of 66086446086460 is 6468064468066.

It is a happy number.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66086446086392 and 66086446086401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66086446086467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590124699 + ... + 1590166258.

It is an arithmetic number, because the mean of its divisors is an integer number (5788129543560).

Almost surely, 266086446086460 is an apocalyptic number.

It is an amenable number.

66086446086460 is an abundant number, since it is smaller than the sum of its proper divisors (72828662958980).

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

66086446086460 is a wasteful number, since it uses less digits than its factorization.

66086446086460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180292005 (or 3180292003 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 66086446086460 in words is "sixty-six trillion, eighty-six billion, four hundred forty-six million, eighty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 1039 2078 4156 5195 10390 20780 3180290957 6360581914 12721163828 15901454785 31802909570 63605819140 3304322304323 6608644608646 13217289217292 16521611521615 33043223043230 66086446086460