41661635457 has 24 divisors (see below), whose sum is σ = 60510832704. Its totient is φ = 25484357184.

The previous prime is 41661635443. The next prime is 41661635459. The reversal of 41661635457 is 75453616614.

It is not a de Polignac number, because 41661635457 - 2⁴ = 41661635441 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (41661635459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161358 + ... + 330695.

It is an arithmetic number, because the mean of its divisors is an integer number (2521284696).

Almost surely, 2^41661635457 is an apocalyptic number.

It is an amenable number.

41661635457 is a deficient number, since it is larger than the sum of its proper divisors (18849197247).

41661635457 is a wasteful number, since it uses less digits than its factorization.

41661635457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492249 (or 492236 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 41661635457 in words is "forty-one billion, six hundred sixty-one million, six hundred thirty-five thousand, four hundred fifty-seven".