164465060393 has 2 divisors, whose sum is σ = 164465060394. Its totient is φ = 164465060392.

The previous prime is 164465060339. The next prime is 164465060401. The reversal of 164465060393 is 393060564461.

Together with previous prime (164465060339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159075738649 + 5389321744 = 398843^2 + 73412^2 .

It is a cyclic number.

It is not a de Polignac number, because 164465060393 - 2¹² = 164465056297 is a prime.

It is not a weakly prime, because it can be changed into another prime (164465060303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82232530196 + 82232530197.

It is an arithmetic number, because the mean of its divisors is an integer number (82232530197).

Almost surely, 2^164465060393 is an apocalyptic number.

It is an amenable number.

164465060393 is a deficient number, since it is larger than the sum of its proper divisors (1).

164465060393 is an equidigital number, since it uses as much as digits as its factorization.

164465060393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 164465060393 in words is "one hundred sixty-four billion, four hundred sixty-five million, sixty thousand, three hundred ninety-three".