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168146087 is a prime number
BaseRepresentation
bin10100000010110…
…11010010100111
3102201101201001212
422001123102213
5321021133322
624403542035
74111134554
oct1201332247
9381351055
10168146087
1186a0670a
124838a91b
1328ab3535
141848da2b
15eb660e2
hexa05b4a7

168146087 has 2 divisors, whose sum is σ = 168146088. Its totient is φ = 168146086.

The previous prime is 168146071. The next prime is 168146107. The reversal of 168146087 is 780641861.

It is a weak prime.

It is an emirp because it is prime and its reverse (780641861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168146087 - 24 = 168146071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162146087) 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, 84073043 + 84073044.

It is an arithmetic number, because the mean of its divisors is an integer number (84073044).

Almost surely, 2168146087 is an apocalyptic number.

168146087 is a deficient number, since it is larger than the sum of its proper divisors (1).

168146087 is an equidigital number, since it uses as much as digits as its factorization.

168146087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 168146087 is about 12967.1156006261. The cubic root of 168146087 is about 551.9447266209.

The spelling of 168146087 in words is "one hundred sixty-eight million, one hundred forty-six thousand, eighty-seven".