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16667041 is a prime number
BaseRepresentation
bin111111100101…
…000110100001
31011100202212211
4333211012201
513231321131
61353122121
7261444646
oct77450641
934322784
1016667041
119454216
1256b9341
1335b7371
1422dbdcd
1516e35b1
hexfe51a1

16667041 has 2 divisors, whose sum is σ = 16667042. Its totient is φ = 16667040.

The previous prime is 16667039. The next prime is 16667051. The reversal of 16667041 is 14076661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 4389025 = 3504^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 16667041 - 21 = 16667039 is a prime.

Together with 16667039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16666994 and 16667012.

It is not a weakly prime, because it can be changed into another prime (16667051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333520 + 8333521.

It is an arithmetic number, because the mean of its divisors is an integer number (8333521).

Almost surely, 216667041 is an apocalyptic number.

It is an amenable number.

16667041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667041 is an equidigital number, since it uses as much as digits as its factorization.

16667041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16667041 is about 4082.5287506642. The cubic root of 16667041 is about 255.4383898180.

The spelling of 16667041 in words is "sixteen million, six hundred sixty-seven thousand, forty-one".