41660789 has 2 divisors, whose sum is σ = 41660790. Its totient is φ = 41660788.

The previous prime is 41660777. The next prime is 41660803. The reversal of 41660789 is 98706614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38626225 + 3034564 = 6215^2 + 1742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41660789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41660089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20830394 + 20830395.

It is an arithmetic number, because the mean of its divisors is an integer number (20830395).

Almost surely, 2^41660789 is an apocalyptic number.

It is an amenable number.

41660789 is a deficient number, since it is larger than the sum of its proper divisors (1).

41660789 is an equidigital number, since it uses as much as digits as its factorization.

41660789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 41660789 is about 6454.5169455196. The cubic root of 41660789 is about 346.6643350229.

The spelling of 41660789 in words is "forty-one million, six hundred sixty thousand, seven hundred eighty-nine".