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163871107 is a prime number
BaseRepresentation
bin10011100010001…
…11100110000011
3102102100111220021
421301013212003
5313422333412
624132154311
74026611221
oct1161074603
9372314807
10163871107
1184556874
1246a68997
1327c4776a
1417a99b11
15e5be607
hex9c47983

163871107 has 2 divisors, whose sum is σ = 163871108. Its totient is φ = 163871106.

The previous prime is 163871087. The next prime is 163871119. The reversal of 163871107 is 701178361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163871107 - 223 = 155482499 is a prime.

It is not a weakly prime, because it can be changed into another prime (163871207) 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, 81935553 + 81935554.

It is an arithmetic number, because the mean of its divisors is an integer number (81935554).

Almost surely, 2163871107 is an apocalyptic number.

163871107 is a deficient number, since it is larger than the sum of its proper divisors (1).

163871107 is an equidigital number, since it uses as much as digits as its factorization.

163871107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 163871107 is about 12801.2150595168. The cubic root of 163871107 is about 547.2269310978.

The spelling of 163871107 in words is "one hundred sixty-three million, eight hundred seventy-one thousand, one hundred seven".