164495663 has 2 divisors, whose sum is σ = 164495664. Its totient is φ = 164495662.

The previous prime is 164495593. The next prime is 164495671. The reversal of 164495663 is 366594461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164495663 - 2¹⁰ = 164494639 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 (164405663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82247831 + 82247832.

It is an arithmetic number, because the mean of its divisors is an integer number (82247832).

Almost surely, 2^164495663 is an apocalyptic number.

164495663 is a deficient number, since it is larger than the sum of its proper divisors (1).

164495663 is an equidigital number, since it uses as much as digits as its factorization.

164495663 is an odious number, because the sum of its binary digits is odd.

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

The square root of 164495663 is about 12825.5862634033. The cubic root of 164495663 is about 547.9212584662.

The spelling of 164495663 in words is "one hundred sixty-four million, four hundred ninety-five thousand, six hundred sixty-three".