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66110141 is a prime number
BaseRepresentation
bin1111110000110…
…0001010111101
311121101202001202
43330030022331
5113411011031
610320545245
71431632636
oct374141275
9147352052
1066110141
1134354589
121a182225
1310909136
148acc88d
155c0d2cb
hex3f0c2bd

66110141 has 2 divisors, whose sum is σ = 66110142. Its totient is φ = 66110140.

The previous prime is 66110131. The next prime is 66110171. The reversal of 66110141 is 14101166.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64866916 + 1243225 = 8054^2 + 1115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66110141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66110131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33055070 + 33055071.

It is an arithmetic number, because the mean of its divisors is an integer number (33055071).

Almost surely, 266110141 is an apocalyptic number.

It is an amenable number.

66110141 is a deficient number, since it is larger than the sum of its proper divisors (1).

66110141 is an equidigital number, since it uses as much as digits as its factorization.

66110141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 66110141 is about 8130.8142888643. The cubic root of 66110141 is about 404.3486782482.

The spelling of 66110141 in words is "sixty-six million, one hundred ten thousand, one hundred forty-one".