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164368613 is a prime number
BaseRepresentation
bin10011100110000…
…01000011100101
3102110021210100102
421303001003211
5314034243423
624150553445
74034052533
oct1163010345
9373253312
10164368613
1184866632
1247068885
1328090046
1417b89153
15e66bc28
hex9cc10e5

164368613 has 2 divisors, whose sum is σ = 164368614. Its totient is φ = 164368612.

The previous prime is 164368571. The next prime is 164368667. The reversal of 164368613 is 316863461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162231169 + 2137444 = 12737^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 164368613 - 28 = 164368357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164368693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82184306 + 82184307.

It is an arithmetic number, because the mean of its divisors is an integer number (82184307).

Almost surely, 2164368613 is an apocalyptic number.

It is an amenable number.

164368613 is a deficient number, since it is larger than the sum of its proper divisors (1).

164368613 is an equidigital number, since it uses as much as digits as its factorization.

164368613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 164368613 is about 12820.6323166995. The cubic root of 164368613 is about 547.7801578347.

The spelling of 164368613 in words is "one hundred sixty-four million, three hundred sixty-eight thousand, six hundred thirteen".