164475793 has 2 divisors, whose sum is σ = 164475794. Its totient is φ = 164475792.

The previous prime is 164475769. The next prime is 164475797. The reversal of 164475793 is 397574461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161493264 + 2982529 = 12708^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 164475793 - 2¹³ = 164467601 is a prime.

It is not a weakly prime, because it can be changed into another prime (164475797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82237896 + 82237897.

It is an arithmetic number, because the mean of its divisors is an integer number (82237897).

Almost surely, 2^164475793 is an apocalyptic number.

It is an amenable number.

164475793 is a deficient number, since it is larger than the sum of its proper divisors (1).

164475793 is an equidigital number, since it uses as much as digits as its factorization.

164475793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 164475793 is about 12824.8116165502. The cubic root of 164475793 is about 547.8991958100.

The spelling of 164475793 in words is "one hundred sixty-four million, four hundred seventy-five thousand, seven hundred ninety-three".