41661005425 has 18 divisors (see below), whose sum is σ = 55939149762. Its totient is φ = 30765047040.

The previous prime is 41661005423. The next prime is 41661005429. The reversal of 41661005425 is 52450016614.

It can be written as a sum of positive squares in 9 ways, for example, as 33783910416 + 7877095009 = 183804^2 + 88753^2 .

It is not a de Polignac number, because 41661005425 - 2¹ = 41661005423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41661005423) 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 in 17 ways as a sum of consecutive naturals, for example, 4926072 + ... + 4934521.

Almost surely, 2^41661005425 is an apocalyptic number.

It is an amenable number.

41661005425 is a deficient number, since it is larger than the sum of its proper divisors (14278144337).

41661005425 is a wasteful number, since it uses less digits than its factorization.

41661005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860629 (or 9860611 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 41661005425 in words is "forty-one billion, six hundred sixty-one million, five thousand, four hundred twenty-five".