41661663 has 8 divisors (see below), whose sum is σ = 55579776. Its totient is φ = 27759000.

The previous prime is 41661649. The next prime is 41661673. The reversal of 41661663 is 36616614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41661663 - 2⁴ = 41661647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41661673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6118 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (6947472).

Almost surely, 2^41661663 is an apocalyptic number.

41661663 is a deficient number, since it is larger than the sum of its proper divisors (13918113).

41661663 is a wasteful number, since it uses less digits than its factorization.

41661663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725.

The product of its digits is 15552, while the sum is 33.

The square root of 41661663 is about 6454.5846496889. The cubic root of 41661663 is about 346.6667592250. Note that the first 3 decimals are identical.

It can be divided in two parts, 41661 and 663, that added together give a palindrome (42324).

The spelling of 41661663 in words is "forty-one million, six hundred sixty-one thousand, six hundred sixty-three".