165000461 has 2 divisors, whose sum is σ = 165000462. Its totient is φ = 165000460.

The previous prime is 165000457. The next prime is 165000467. The reversal of 165000461 is 164000561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156625225 + 8375236 = 12515^2 + 2894^2 .

It is a cyclic number.

It is not a de Polignac number, because 165000461 - 2² = 165000457 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 (165000467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82500230 + 82500231.

It is an arithmetic number, because the mean of its divisors is an integer number (82500231).

Almost surely, 2^165000461 is an apocalyptic number.

It is an amenable number.

165000461 is a deficient number, since it is larger than the sum of its proper divisors (1).

165000461 is an equidigital number, since it uses as much as digits as its factorization.

165000461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 165000461 is about 12845.2505230533. The cubic root of 165000461 is about 548.4811660500.

The spelling of 165000461 in words is "one hundred sixty-five million, four hundred sixty-one", and thus it is an aban number.