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8655864216168 = 23313173164278191
BaseRepresentation
bin111110111110101100110…
…1101100011101001101000
31010122111022001121200020210
41331331121231203221220
52113304202214404133
630224241002221120
71552236245605161
oct175753155435150
933574261550223
108655864216168
112837a27768224
12b796934b47a0
134aa3241c7b80
1421cd35dd8768
1510025b3dd763
hex7df59b63a68

8655864216168 has 256 divisors, whose sum is σ = 25478131875840. Its totient is φ = 2425141555200.

The previous prime is 8655864216079. The next prime is 8655864216221. The reversal of 8655864216168 is 8616124685568.

It is a junction number, because it is equal to n+sod(n) for n = 8655864216099 and 8655864216108.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1056748953 + ... + 1056757143.

It is an arithmetic number, because the mean of its divisors is an integer number (99523952640).

Almost surely, 28655864216168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8655864216168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12739065937920).

8655864216168 is an abundant number, since it is smaller than the sum of its proper divisors (16822267659672).

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

8655864216168 is a wasteful number, since it uses less digits than its factorization.

8655864216168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14688 (or 14684 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 66.

The spelling of 8655864216168 in words is "eight trillion, six hundred fifty-five billion, eight hundred sixty-four million, two hundred sixteen thousand, one hundred sixty-eight".