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2160147161 = 73191154927
BaseRepresentation
bin1000000011000001…
…0011101011011001
312120112200211211102
42000300103223121
513410444202121
6554203241145
7104346643064
oct20060235331
95515624742
102160147161
11a0938a597
125035191b5
132856b9ab3
14166c658db
15c999890b
hex80c13ad9

2160147161 has 8 divisors (see below), whose sum is σ = 2201217024. Its totient is φ = 2119387680.

The previous prime is 2160147151. The next prime is 2160147167. The reversal of 2160147161 is 1617410612.

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 2160147161 - 210 = 2160146137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2160147167) 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 in 7 ways as a sum of consecutive naturals, for example, 63521 + ... + 91406.

It is an arithmetic number, because the mean of its divisors is an integer number (275152128).

Almost surely, 22160147161 is an apocalyptic number.

It is an amenable number.

2160147161 is a deficient number, since it is larger than the sum of its proper divisors (41069863).

2160147161 is a wasteful number, since it uses less digits than its factorization.

2160147161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155191.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2160147161 is about 46477.3833278079. The cubic root of 2160147161 is about 1292.6901697195.

Adding to 2160147161 its reverse (1617410612), we get a palindrome (3777557773).

The spelling of 2160147161 in words is "two billion, one hundred sixty million, one hundred forty-seven thousand, one hundred sixty-one".

Divisors: 1 73 191 13943 154927 11309671 29591057 2160147161