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16159 = 1113113
BaseRepresentation
bin11111100011111
3211011111
43330133
51004114
6202451
765053
oct37437
924144
1016159
1111160
129427
137480
145c63
154bc4
hex3f1f

16159 has 8 divisors (see below), whose sum is σ = 19152. Its totient is φ = 13440.

The previous prime is 16141. The next prime is 16183. The reversal of 16159 is 95161.

It can be divided in two parts, 1615 and 9, that multiplied together give a triangular number (14535 = T170).

16159 = T7 + T8 + ... + T45.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16159 - 25 = 16127 is a prime.

It is a super-2 number, since 2×161592 = 522226562, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87 + ... + 199.

It is an arithmetic number, because the mean of its divisors is an integer number (2394).

216159 is an apocalyptic number.

16159 is a deficient number, since it is larger than the sum of its proper divisors (2993).

16159 is a wasteful number, since it uses less digits than its factorization.

16159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137.

The product of its digits is 270, while the sum is 22.

The square root of 16159 is about 127.1180553659. The cubic root of 16159 is about 25.2816157903.

The spelling of 16159 in words is "sixteen thousand, one hundred fifty-nine".

Divisors: 1 11 13 113 143 1243 1469 16159