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166465349 is a prime number
BaseRepresentation
bin10011110110000…
…00111101000101
3102121020022112022
421323000331011
5320103342344
624303532525
74060634501
oct1173007505
9377208468
10166465349
1185a68976
12478ba145
132864550b
1418173301
15e9330ee
hex9ec0f45

166465349 has 2 divisors, whose sum is σ = 166465350. Its totient is φ = 166465348.

The previous prime is 166465303. The next prime is 166465361. The reversal of 166465349 is 943564661.

166465349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 62568100 = 10193^2 + 7910^2 .

It is a cyclic number.

It is not a de Polignac number, because 166465349 - 28 = 166465093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166435349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83232674 + 83232675.

It is an arithmetic number, because the mean of its divisors is an integer number (83232675).

Almost surely, 2166465349 is an apocalyptic number.

It is an amenable number.

166465349 is a deficient number, since it is larger than the sum of its proper divisors (1).

166465349 is an equidigital number, since it uses as much as digits as its factorization.

166465349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 166465349 is about 12902.1451317213. The cubic root of 166465349 is about 550.0995401107.

The spelling of 166465349 in words is "one hundred sixty-six million, four hundred sixty-five thousand, three hundred forty-nine".