41656665 has 8 divisors (see below), whose sum is σ = 66650688. Its totient is φ = 22216880.

The previous prime is 41656661. The next prime is 41656729. The reversal of 41656665 is 56665614.

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

It is not a de Polignac number, because 41656665 - 2² = 41656661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41656661) 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, 1388541 + ... + 1388570.

It is an arithmetic number, because the mean of its divisors is an integer number (8331336).

Almost surely, 2^41656665 is an apocalyptic number.

It is an amenable number.

41656665 is a deficient number, since it is larger than the sum of its proper divisors (24994023).

41656665 is a wasteful number, since it uses less digits than its factorization.

41656665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777119.

The product of its digits is 129600, while the sum is 39.

The square root of 41656665 is about 6454.1974714135. The cubic root of 41656665 is about 346.6528958821.

The spelling of 41656665 in words is "forty-one million, six hundred fifty-six thousand, six hundred sixty-five".