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16387080166 = 2711013113921
BaseRepresentation
bin11110100001011111…
…01111111111100110
31120022001011220222001
433100233233333212
5232030043031131
611310023555514
71120041611632
oct172057577746
946261156861
1016387080166
116a4a096966
123213bbbb9a
131712022c52
14b16531dc2
1565d9a6261
hex3d0beffe6

16387080166 has 16 divisors (see below), whose sum is σ = 24951652128. Its totient is φ = 8070092800.

The previous prime is 16387080163. The next prime is 16387080167. The reversal of 16387080166 is 66108078361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16387080163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86886 + ... + 200806.

It is an arithmetic number, because the mean of its divisors is an integer number (1559478258).

Almost surely, 216387080166 is an apocalyptic number.

16387080166 is a deficient number, since it is larger than the sum of its proper divisors (8564571962).

16387080166 is a wasteful number, since it uses less digits than its factorization.

16387080166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115007.

The product of its (nonzero) digits is 290304, while the sum is 46.

It can be divided in two parts, 163870 and 80166, that added together give a square (244036 = 4942).

The spelling of 16387080166 in words is "sixteen billion, three hundred eighty-seven million, eighty thousand, one hundred sixty-six".

Divisors: 1 2 71 142 1013 2026 71923 113921 143846 227842 8088391 16176782 115401973 230803946 8193540083 16387080166