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168059565960841 = 12721020772
BaseRepresentation
bin100110001101100101101010…
…101110101110111010001001
3211001001100010002221210002001
4212031211222232232322021
5134011441442341221331
61353233255422311001
750253621466462522
oct4615455256567211
9731040102853061
10168059565960841
1149604730754525
1216a230a0728461
1372a0c45146859
142d701aab75849
1514669358a1561
hex98d96abaee89

168059565960841 has 9 divisors (see below), whose sum is σ = 169394948825799. Its totient is φ = 166734628855704.

The previous prime is 168059565960799. The next prime is 168059565960887. The reversal of 168059565960841 is 148069565950861.

The square root of 168059565960841 is 12963779.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 145916856956025 + 22142709004816 = 12079605^2 + 4705604^2 .

It is not a de Polignac number, because 168059565960841 - 215 = 168059565928073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168059565967841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1646348895 + ... + 1646450971.

Almost surely, 2168059565960841 is an apocalyptic number.

168059565960841 is the 12963779-th square number.

168059565960841 is the 6481890-th centered octagonal number.

It is an amenable number.

168059565960841 is a deficient number, since it is larger than the sum of its proper divisors (1335382864958).

168059565960841 is an frugal number, since it uses more digits than its factorization.

168059565960841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204408 (or 102204 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 73.

The spelling of 168059565960841 in words is "one hundred sixty-eight trillion, fifty-nine billion, five hundred sixty-five million, nine hundred sixty thousand, eight hundred forty-one".

Divisors: 1 127 16129 102077 12963779 1646399933 10419713929 1323303668983 168059565960841