41664461 has 2 divisors, whose sum is σ = 41664462. Its totient is φ = 41664460.

The previous prime is 41664449. The next prime is 41664517. The reversal of 41664461 is 16446614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 8094025 = 5794^2 + 2845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41664461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41664061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20832230 + 20832231.

It is an arithmetic number, because the mean of its divisors is an integer number (20832231).

Almost surely, 2^41664461 is an apocalyptic number.

It is an amenable number.

41664461 is a deficient number, since it is larger than the sum of its proper divisors (1).

41664461 is an equidigital number, since it uses as much as digits as its factorization.

41664461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 41664461 is about 6454.8013912126. The cubic root of 41664461 is about 346.6745197720.

The spelling of 41664461 in words is "forty-one million, six hundred sixty-four thousand, four hundred sixty-one".