1000164461 has 2 divisors, whose sum is σ = 1000164462. Its totient is φ = 1000164460.

The previous prime is 1000164449. The next prime is 1000164523. The reversal of 1000164461 is 1644610001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675480100 + 324684361 = 25990^2 + 18019^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000164461 - 2⁶ = 1000164397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000164661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500082230 + 500082231.

It is an arithmetic number, because the mean of its divisors is an integer number (500082231).

Almost surely, 2^1000164461 is an apocalyptic number.

It is an amenable number.

1000164461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000164461 is an equidigital number, since it uses as much as digits as its factorization.

1000164461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1000164461 is about 31625.3768515096. The cubic root of 1000164461 is about 1000.0548173283.

Adding to 1000164461 its reverse (1644610001), we get a palindrome (2644774462).

The spelling of 1000164461 in words is "one billion, one hundred sixty-four thousand, four hundred sixty-one".