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163632941 is a prime number
BaseRepresentation
bin10011100000011…
…01011100101101
3102101220102012022
421300031130231
5313342223231
624123115525
74024566653
oct1160153455
9371812168
10163632941
118440393a
1246972ba5
1327b93234
1417a36dd3
15e573c7b
hex9c0d72d

163632941 has 2 divisors, whose sum is σ = 163632942. Its totient is φ = 163632940.

The previous prime is 163632913. The next prime is 163632943. The reversal of 163632941 is 149236361.

It is a happy number.

163632941 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., 163584100 + 48841 = 12790^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 163632941 - 210 = 163631917 is a prime.

Together with 163632943, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163632943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81816470 + 81816471.

It is an arithmetic number, because the mean of its divisors is an integer number (81816471).

Almost surely, 2163632941 is an apocalyptic number.

It is an amenable number.

163632941 is a deficient number, since it is larger than the sum of its proper divisors (1).

163632941 is an equidigital number, since it uses as much as digits as its factorization.

163632941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 163632941 is about 12791.9092007409. The cubic root of 163632941 is about 546.9616941025.

The spelling of 163632941 in words is "one hundred sixty-three million, six hundred thirty-two thousand, nine hundred forty-one".