41636661 has 8 divisors (see below), whose sum is σ = 60562464. Its totient is φ = 25234320.

The previous prime is 41636611. The next prime is 41636669. The reversal of 41636661 is 16663614.

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

It is not a de Polignac number, because 41636661 - 2⁶ = 41636597 is a prime.

It is a super-2 number, since 2×41636661² = 3467223078457842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1261717 = 41636661 / (4 + 1 + 6 + 3 + 6 + 6 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41636669) 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, 630826 + ... + 630891.

It is an arithmetic number, because the mean of its divisors is an integer number (7570308).

Almost surely, 2^41636661 is an apocalyptic number.

It is an amenable number.

41636661 is a deficient number, since it is larger than the sum of its proper divisors (18925803).

41636661 is a wasteful number, since it uses less digits than its factorization.

41636661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261731.

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

The square root of 41636661 is about 6452.6475961422. The cubic root of 41636661 is about 346.5973981219.

The spelling of 41636661 in words is "forty-one million, six hundred thirty-six thousand, six hundred sixty-one".