| Base | Representation |
|---|---|
| bin | 1001110100011000100… |
| … | …0110010101111100110 |
| 3 | 121010101121222220210000 |
| 4 | 2131012020302233212 |
| 5 | 10230424142402122 |
| 6 | 205253555042130 |
| 7 | 15121026015615 |
| oct | 2350610625746 |
| 9 | 533347886700 |
| 10 | 168680434662 |
| 11 | 6559a787203 |
| 12 | 288368a0346 |
| 13 | 12ba275b7ac |
| 14 | 824270187c |
| 15 | 45c3a930ac |
| hex | 2746232be6 |
168680434662 has 80 divisors (see below), whose sum is σ = 385842631680. Its totient is φ = 55062827568.
The previous prime is 168680434627. The next prime is 168680434691. The reversal of 168680434662 is 266434086861.
168680434662 is a `hidden beast` number, since 1 + 68 + 6 + 80 + 43 + 466 + 2 = 666.
168680434662 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1686804346622 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 168680434599 and 168680434608.
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 39 ways as a sum of consecutive naturals, for example, 2480203 + ... + 2547305.
It is an arithmetic number, because the mean of its divisors is an integer number (4823032896).
Almost surely, 2168680434662 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168680434662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192921315840).
168680434662 is an abundant number, since it is smaller than the sum of its proper divisors (217162197018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168680434662 is a wasteful number, since it uses less digits than its factorization.
168680434662 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67439 (or 67430 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 54.
The spelling of 168680434662 in words is "one hundred sixty-eight billion, six hundred eighty million, four hundred thirty-four thousand, six hundred sixty-two".
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