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66164083 is a prime number
BaseRepresentation
bin1111110001100…
…1010101110011
311121111111001121
43330121111303
5113414222313
610322043111
71432246126
oct374312563
9147444047
1066164083
1134391067
121a1a9497
131092785b
148b043bd
155c1e28d
hex3f19573

66164083 has 2 divisors, whose sum is σ = 66164084. Its totient is φ = 66164082.

The previous prime is 66164081. The next prime is 66164101. The reversal of 66164083 is 38046166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66164083 - 21 = 66164081 is a prime.

Together with 66164081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66164081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33082041 + 33082042.

It is an arithmetic number, because the mean of its divisors is an integer number (33082042).

Almost surely, 266164083 is an apocalyptic number.

66164083 is a deficient number, since it is larger than the sum of its proper divisors (1).

66164083 is an equidigital number, since it uses as much as digits as its factorization.

66164083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 66164083 is about 8134.1307464289. The cubic root of 66164083 is about 404.4586232909.

The spelling of 66164083 in words is "sixty-six million, one hundred sixty-four thousand, eighty-three".